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Wk 4 F–2482 B.Sc. DEGREE EXAMINATION, NOVEMBER 2019 First Semester Physics PROPERTIES OF MATTER AND SOUND (CBCS – 2017 onwards) Time : 3 Hours Maximum : 75 Marks Section A (10 2 = 20) Answer all questions. 1. Define Hooke’s law. íúU Âvø¯ Áøμ¯Ö. 2. Define elastic limit. Áøμ¯Ö «m]°¯À GÀø». 3. What is non-uniform bending? ^μØÓ ÁøÍÄ GßÓõÀ GßÚ? 4. What is cantilever? ÁøÍa \mh® GßÓõÀ GßÚ? 5. Write Poiseuille’s formula. £õ´_¼ß Áõ´¨£õmøh GÊxP. 6. Define coefficient of viscosity. £õQ¯À SnPzøu Áøμ¯Ö. Sub. Code 7BPH1C1
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### Transcript of F–2482 Sub. Code 7BPH1C1

First Semester
(CBCS – 2017 onwards)
Section A (10 2 = 20)
íúU Âvø¯ Áøμ¯Ö.
2. Define elastic limit.
^μØÓ ÁøÍÄ GßÓõÀ GßÚ?
4. What is cantilever?
ÁøÍa \mh® GßÓõÀ GßÚ?
£õ´_¼ß Áõ´¨£õmøh GÊxP.
6. Define coefficient of viscosity.
£õQ¯À SnPzøu Áøμ¯Ö.
Sub. Code 7BPH1C1
GÎ¯ ^›ø\ C¯UP® GßÓõÀ GßÚ?
8. What is noise pollution?
9. What is the velocity of sound in air medium?
10. Write any two applications of ultrasonic waves.
«ö¯õ¼ Aø»PÎß H÷uÝ® C¸ £¯ßPøÍ GÊxP.
Section B (5 5 = 25)
Answer all questions, choosing either (a) or (b).
11. (a) Deduce the expression for Poisson’s ratio in terms of elastic constants.
{ø»°¯À •ÖUS •øÓ°À Âøμ¨¦U SnPzøuU
PnUQkP.
ÁøÍ \mhzvß CÓUPzvØPõÚ ÷PõøÁø¯¨ ö£ÖP.
Or
(b) Explain the experimental determination of Young’s modulus using mirror and telescope.
¯[SnP® PnUQk® ÷\õuøÚø¯ ÂÁ›.
3
Wk 4 13. (a) Calculate the excess of pressure in a liquid drop and
bubble.
PnUQk.
Or
(b) Deduce the equation of continuity liquid flow with suitable explanation.
uS¢u ÂÍUPzxhß öuõhº vμÁ KmhzvØPõÚ
14. (a) What are free, Damped and forced vibrations? Explain.
uøh¯ØÓ, uøh³Ö ©ØÖ® vo¨¦ AvºÄPÒ GßÓõÀ
GßÚ? ÂÍUSP.
(ii) What are characteristics of musical sound.
15. (a) Deduce the expression for longitudinal waves in gases.
Áõ²UPÎÀ ö|mhø»¨ £μÁ¾UPõÚ ÷PõøÁø¯¨
ö£ÖP.
«ö¯õ¼Aø»PÒ GßÓõÀ GßÚ? Auß £s¦PøÍ
GÊxP.
÷\õuøÚø¯ ÂÁ›.
17. How to determine the Young’s modulus of a bar by cantilever oscillation method.
ÁøÍ\mh Aø»ÂøÚ¨ £¯ß£kzv J¸ \mhzvß ¯[
SnPzøu GÆÁõÖ PnUQkÁõ´?
18. Explain experimental determination of viscosity of low viscous liquid by capillary flow method.
~sxøÍ Kmh •øÓ°À SøÓ £õQ¯À ©v¨¦ öPõsh
vμÁzvß £õQ¯À Gs PnUQk® ÷\õuøÚø¯ ÂÍUSP.
19. Explain experimental setup, working and uses of Melde’s string with neat diagram.
£¯ß£õkPøÍz uS¢u £hzxhß ÂÁ›.
20. Explain production of ultrasonic waves by piezo electric oscillator.
AÊzu ªßxi¨£õß Aø»°¯ØÔø¯¨ £¯ß£kzv
«ö¯õ¼ Aø»PøÍ E¸ÁõUS® •øÓø¯ ÂÁ›.
——————
First Semester
Section A (10 2 = 20)
2. What is static and dynamic friction?
{ø»°¯À ©ØÖ® C¯UPÂ¯À Eμõ´Ä GßÓõÀ GßÚ?
3. Write the Newton’s law of gravitation.
{³mhÛß Dº¨¦ Âv°øÚ GÊxP.
4. What is escape velocity?
Âk£k vø\ ÷ÁP® GßÓõÀ GßÚ?
5. Define moment of inertia.
Sub. Code 7BPH1C2
Wk 4 6. Why the compound pendulum called as ‘‘Compound
pendulum’’?
7. Define centre of pressure.
ªuøÁU Põ¨¦¯μ® GßÓõÀ GßÚ?
9. What is length contraction?
}ÍU SÖUP® GßÓõÀ GßÚ?
\õº¦z vø\÷ÁP® GßÓõÀ GßÚ?
Section B (5 5 = 25)
Answer all questions choosing either (a) or (b).
11. (a) Calculate the centre of gravity of right solid cone.
Or
(b) Explain the working of friction clutch.
Eμõ´Ä Pmk¨£õmk ö£õÔ°ß ö\¯À£õmøh ÂÁ›.
12. (a) State and explain the Kepler’s laws of planetary motion.
÷PõÒPÎß C¯UPzvØPõÚ öP¨Í›ß ÂvPøÍU TÔ
ÂÍUSP.
Or
•øÓø¯ ÂÍUSP.
F–2483
3
Wk 4 13. (a) Define torque. How is it related to angular
momentum?
GÆÁõÖ öuõhº¦øh¯x?
÷|ºUSzx Aa_z ÷uØÓzvøÚU TÔ ÂÍUSP.
14. (a) Explain stability of floating bodies.
Or
ö£º÷Úõ¼°ß ÷uØÓzøuU TÔ {¹¤.
15. (a) Write the postulates of special theory of relativity.
]Ó¨¦a \õº¤¯À öPõÒøPUPõÚ Gk÷PõÒPøÍ GÊxP.
Or
÷ÁÖ£kzxP.
16. Derive the expression for stability of a body on a rough inclined plane.
J¸ ö\õμö\õμ¨£õÚ \õ´uÍzvÀ EÒÍ J¸ ö£õ¸Îß
F–2483
4
Wk 4 17. Explain the variation ‘g’ with height, depth and latitude
from the surface of earth.
18. How to determine the acceleration due to gravity using compound pendulum?
Tmk F\ø»¨ £¯ß£kzv ¦Â±º¨¦ •kUPzvøÚ GÆÁõÖ
PnUQkÁõ´?
19. Explain the determination of metacentric height of a ship by experiment.
P¨£¼ß ªuøÁU Põ¨¦¯μ® PnUQk® ÷\õuøÚø¯ ÂÁ›.
20. Derive the expression for Einstein’s most energy equivalence.
IßìjÛß {øÓ & BØÓÀ \©ß£õmøh Á¸Â.
————————
Second Semester
Section A (10 2 = 20)
Põ»shº ©ØÖ® £õºßì •øÓ°ß {øÓPÒ ¯õøÁ?
2. Define Cv and Cp.
3. What do you understand from temperature — entropy diagram?
öÁ¨£{ø» – Gß÷μõ¤ Áøμ£hzv¼¸¢x }Âº AÔÁx
¯õx?
4. Mention the conditions of reversibility for any heat engine process.
öÁ¨£ G¢vμzvß ÷|º Gvº {PÌÄUPõÚ {£¢uøÚPÒ
¯õøÁ?
ï¼¯® I–ß £s¦PÒ ¯õøÁ?
7. What is green house effect?
8. State Newton’s law of cooling.
{³mhß SÎºÄ Âv & Áøμ¯Ö.
9. Mention the relation between entropy and probability.
öuõhºø£U TÖ.
Section B (5 5 = 25)
Answer all questions choosing either (a) or (b).
11. (a) Describe the determination of specific heat capacity of liquid by Calendar and Barne’s continuous flow method.
vμÁzvß uß öÁ¨£ HØ¦z vÓß PõqÁuØPõÚ
Põ»shº ©ØÖ® £õºßì öuõhº £õ¯ •øÓ°À PõsP.
Or
(b) Explain the determination of specific heat capacity of a gas at constant volume by Joly’s differential stream calorimeter.
PõqÁuØPõÚ ÷\õuøÚø¯ ÂÍUSP.
3
Wk 4 12. (a) Discuss the change of entropy in reversible and
irreversible process.
{PÌøÁ ÂÁõv.
Or
(b) What is thermodynamic third law? List the physical significance of entropy.
öÁ¨£ C¯UPÂ¯¼ß ‰ßÓõ® Âvø¯U TÖ.
Gß÷μõ¤°ß £s¦PøÍU TÖ.
13. (a) Discuss the construction and working of Porous Plug experiment.
ÂuzvøÚ ÂÁõv.
14. (a) Illustrate the determination of specific heat of liquid by Newton law of cooling.
{³mhß SÎºÄ Âv öPõsk vμÁzvß uß öÁ¨£
HØ¦z vÓß PõqÁuØPõÚ ÷\õuøÚø¯ ÂÁ›.
Or
(b) Explain the determination of thermal conductivity of a bad conductor by Lee’s disc method.
A›vØPhzv°ß öÁ¨£U Phzx vÓøÚ ½&Ámk
•øÓ°À Põquø» ÂÍUS.
15. (a) Explain the theory behind the micro and macro states.
öPõÒøPø¯ ÂÁ›.
4
Wk 4 (b) Distinguish the MB, FD and BE statistics (any five
points).
16. Determine the specific heat capacity of gas at constant pressure by Regnault’s method.
Áõ²Âß AÊzu® ©õÓõ uß öÁ¨£ HØ¦z vÓß
PõqÁuØPõÚ öμUÚõÀm ÷\õuøÚø¯ ÂÍUSP.
17. Describe the working of Carnot engine. Find its efficiency.
PõºÚõm G¢vμ® ÷Áø» ö\´uø» ÂÁ›. Auß £¯ÝÖ
vÓøÚU PõsP.
18. Obtain the expression for the fall in temperature by adiabatic demagnetization in a paramagnetic gas.
£õμõ Põ¢u Áõ²Âß öÁ¨£©õØÕhØÓ Põ¢u }UP •øÓ°À
öÁ¨£ SøÓÄUPõÚ ÷PõøÁø¯ öPõnºP.
19. Illustrate the construction and find the solar constant by water flow pyrheliometer.
ö£ºª&øhμõU ÂμÁÀ ÂvUPõÚ ÷PõøÁø¯ öPõnºP.
—————
Second Semester
(CBCS – 2017 onwards)
Section A (10 2 = 20)
ªßÚõØ £S¨¤ß Cμsk £¯ß£õkPøÍz u¸P.
4. What is Peltier coefficient?
ö£Ài¯º SÚP® ¯õx?
5. Define coercivity.
Sub. Code 7BPH2C2
Põ¢uz u¯UP® GßÓõÀ GßÚ?
7. State Faraday’s law of electromagnetic induction.
ªßPõ¢uz ysh¾UPõÚ £õμ÷h Âv°øÚz u¸P.
8. What is self-inductance?
uß yshÀ GßÓõÀ GßÚ?
9. Define displacement current.
10. Define Hertz.
Áøμ¯Ö : öíºm_.
Answer all questions, choosing either (a) or (b).
11. (a) Derive an expression for capacity of a parallel plate capacitor with dielectric medium.
J¸ CønzuPmk ªß÷uUQ°ß ªß÷uUS vÓÝUPõÚ
÷PõøÁø¯ Á¸Â.
(b) Derive an expression for capacity of a spherical capacitor.
÷PõÍ ÁiÁ ªß÷uUQ°ß ªß÷uUS vÓÝUPõÚ
÷PõøÁø¯ Á¸Â.
ªßÚõØ£S¨¤ß £¯ßPøÍ ÂÍUPÄ®.
Or
Wk 3 (b) Explain the thermoelectric diagram and its uses.
öÁ¨£ªß Áøμ£hzvøÚ ÂÍUQ Auß £¯ßPøÍz
u¸P.
13. (a) Derive an expression for loss of energy due to hysteresis.
Põ¢u u¯UP PßÛ°ß ÷£õx HØ£k® BØÓÀ
CÇ¨¤ØUPõÚ ÷PõøÁø¯ Á¸Â.
Or
(b) Give the properties of ferromagnetic materials.
ö£÷μõ Põ¢u¨ ö£õ¸mPÎß £s¦PøÍz u¸P.
14. (a) Derive an expression for self inductance of a long solenoid.
}Í P®¤a_¸Îß uß yshÀ GsoØUPõÚ
ö\´QÓx Gß£uøÚ ÂÁ›.
15. (a) Give the theory of magnitude of displacement of current.
Ch¨ö£¯ºa] ªß÷ÚõmhzvØPõÚ öPõÒøP°øÚz
u¸P.
F–2485
16. Derive an expression for the capacity of a cylindrical capacitor.
E¸øÍ ÁiÁ ªß÷uUQ°ß ªß÷uUS vÓß Põq®
18. Give the properties of dia, para and ferromagnetic materials.
øh¯õ, £õμõ ©ØÖ® ö£÷μõ Põ¢u¨ ö£õ¸mPÎß £s¦PøÍ
u¸P.
19. Explain Rayleigh’s method to measure the coefficient of self inductance.
uß yshÀ Gs Põn EuÄ® μõ÷»°ß •øÓ°øÚ
ÂÍUPÄ®.
————————
Third Semester
Part A (10 2 = 20)
÷PõÍP ¤ÓÌa] GÆÁõÖ SøÓ¨£x?
2. What is the principle of direct vision spectroscope? Mention its importance.
•UQ¯zxÁzøu TÖP.
3. Determine the thickness of a thin plate by Michelson’s interferometer.
4. What is interference? How do you get fringes in air wedge?
SÖURmk ÂøÍÄ GßÓõÀ GßÚ? PõØÖ B¨¦ £møhPøÍ
GÆÁõÖ öPõnºÁõ´?
5. Write down the comparison between zone plate and convex lens.
Sub. Code 7BPH3C1
7. Define Polaroid. Mention its uses.
÷£õ»μõ´k – Áøμ¯Ö. Auß £¯ßPøÍ TÖ.
8. What is dextro and leavo rotatory?
Á»g _ÇØÔ ©ØÖ® Chg _ÇØÔ GßÓõÀ GßÚ?
9. What are microwave active and inactive?
~snø» ö\¯¼ ©ØÖ® ö\¯»ØÓx GßÓõÀ GßÚ?
10. State Raman effect. Mention its uses.
Cμõ©ß ÂøÍÄ – TÖ. Auß £¯ßPøÍU TÖ.
Part B (5 5 = 25)
Answer all questions, choosing either (a) or (b).
11. (a) Obtain the expression for dispersion without
deviation.
öPõnºP.
Or
a distance.
}USuÀ •øÓø¯ ÂÍUS.
3
sp 4 12. (a) Explain the determination of radius of curvature of
a lens by Newton’s rings.
}³mhß ÁøÍ¯ •øÓ°À ÂÀø»°ß ÁøÍÄ Bμ®
Põquø» ÂÍUSP.
Or
(b) Find the refractive index of a glass by Jamin’s interferometer.
Psnõi°ß JÎÂ»PÀ Gs Põquø» á«ß
13. (a) Illustrate the theory of Fresnel’s diffraction at circular aperture.
Ámh xøÍ°À L¤μöÚ¼ß ÂÎ®¦ ÂøÍÄ
öPõÒøPø¯ ÂÁ›.
Or
(b) Explain the theory and experiment to determine the wavelength by plane diffraction grating.
JÎ°ß Aø»}»® Põquø» ÂÍUS.
14. (a) What is optical activity? Discuss the Fresnel’s explanation of optical activity.
JÎ°¯À ÂøÚ GßÓõÀ GßÚ? JÎ°¯À ÂøÚUPõÚ
L¤μöÚ¼ß ÂÍUPzøuU öPõk.
Or
(b) Deduce the expression for half wave plate and quarter wave plate.
15. (a) Explain the rotational spectra of rigid diatomic molecule. Mention its selection rule.
öPõk. Auß ÷uºÄ Âvø¯ öPõk.
Or
spectroscopy.
÷ÁÖ£kzxP.
16. Explain the construction and function of Ramsden’s eyepiece with neat diagram.
÷Áø»ö\´²® ÂuzvøÚ öuÎÁõÚ £hzxhß ÂÍUS.
17. What is air wedge? Explain its theory. Discuss the determination of the thickness of a thin wire by this method.
PõØÖ B¨¦ GßÓõÀ GßÚ? Cuß öPõÒøP°øÚ ÂÍUPÄ®.
ÂÁõv.
18. Describe the determination of resolving power of a prism.
J¸ •¨£mhPzvß £SvÓß Põquø» ÂÁ›.
19. Define specific rotatory power. Explain the determination of specific rotatory power of a sugar solution using Laurent’s half shade polarimeter.
uß _ÇØ] vÓß – Áøμ¯Ö. \ºUPøμ Pøμ\¼ß uß _ÇØ]
vÓøÚ »õμß]ß Aøμ{ÇÀ ÷£õ»›«mhº öPõsk ÂÍUS.
20. Describe the classical and quantum theory of Raman effect. Find its conclusion.
öPõÒøPø¯ ÂÁ›. Auß •iÄPøÍ Põs.
–––––––––
Fourth Semester
Section A (10 2 = 20)
2. Mention the properties of positive ray.
÷|ºPv›ß £s¦PøÍU öPõk.
3. What is Bohr magnetron? Calculate its value.
4. Find the fine structure of sodium D lines.
÷\õi¯® D Á›PÎß ~s Aø©¨ø£ Põs.
5. Define Mosley’s law. Mention its importance.
÷©õì÷» Âv – Áøμ¯Ö. Auß •UQ¯zxÁzøu TÖ.
Sub. Code 7BPH4C1
£iP® ©ØÖ® £iP AoU÷PõøÁ GßÓõÀ GßÚ?
7. List the laws of disintegration.
]øuÄUPõÚ ÂvPøÍU TÖ.
9. What is nuclear fusion? Give example.
AqUP¸ CønÄ GßÓõÀ GßÚ? GkuxUPõmk öPõk.
10. What are laptons and baryons?
Section B (5 5 = 25)
Answer all questions, choosing either (a) or (b).
11. (a) Write down the laws of photoelectric emission. Obtain the Einstein’s photoelectric equation.
JÎªß EªÌÄUPõÚ ÂvPøÍU TÖ. Ißìjß
Or
(b) Explain the Lenard’s method to determine the e/m for photoelectron.
JÎªß Gö»UmμõÛß e/m Põq® ö»nõºk
÷\õuøÚø¯ ÂÍUSP.
F–2487
3
Wk ser 12. (a) List and explain the various quantum numbers
associated with vector atom model.
GsPøÍ TÔ ÂÍUSP.
Or
(b) Define Zeeman effect. Obtain the Debye’s explanation of normal Zeeman effect.
j÷£°ß ÂÍUPzøuU öPõk.
13. (a) Explain the experimental verification for change in wavelength by Compton’s theory.
Põs£uØPõÚ \›£õºzuÀ ÷\õuøÚø¯ ÂÍUS.
Or
(b) Discuss the analysis of continuous and characteristic X-ray spectrum.
ÂÁõv.
14. (a) Explain the principle, construction and working of Wilson Cloud chamber. Mention its advantages.
ö\´uø» ÂÍUSP. Auß •UQ¯zxÁzøu TÖ.
Or
4
Wk ser (b) Define mean life. Deduce the expression to find the
mean life.
öPõnºP.
15. (a) Write down the reactions for the source of stellar energy.
|m\zvμ BØÓ¼ß ‰»zvØPõÚ ÂøÚø¯ GÊxP.
Or
(b) (i) What is nuclear fission? Give example.
(ii) Consider single Helium nucleus formed by the fusion of two deuterium nuclei. Find the energy released from fusion reaction.
(i) AqUP¸ ¤ÍÄ GßÓõÀ GßÚ? GkzxUPõmk
öPõk.
AqUPÒ J¸ ï¼¯® AqUP¸øÁ
E¸ÁõUSQÓx GÛÀ, A¢u ÂøÚ¯õÀ
E¸ÁõS® BØÓø»U PõsP.
Section C (3 10 = 30)
16. Describe the construction of Aston’s mass spectrograph. Explain how it is used to detect the isotopes. Mention its advantages and limitations.
I÷\õ÷hõ¨ø£ PshÔ¯ Cx GÆÁõÖ £¯ß£kQÓx. Auß
F–2487
5
Wk ser 17. (a) Calculate the magnetic dipole moment of electron
due to orbital and spin motion.
(b) Describe the proof of vector atom model by Stern
and Gerlach experiment. Mention its important
results.
Gö»UmμõÛß Põ¢u C¸ •øÚ v¸¨¦ vÓøÚU
PnUQkP.
(B) öÁUhº Aq ©õv›°ß {¹£Úzøu ìöhß – öPº»õa
÷\õuøÚ öPõsk ÂÁ›. Cuß •UQ¯zxÁzøuU TÖ.
18. State Bragg’s law. Obtain its mathematical form.
Describe how Bragg’s x-ray spectrometer is used to study
the crystal structure.
19. (a) What is beta ray? Mention its characteristics.
(b) Explain the construction and working of Betatron
as a beta particle accelerator.
(A) ¥mhõ Pvº GßÓõÀ GßÚ? Auß £s¦PøÍU TÖ.
•kUQ¯õP ö\¯À£k® Âuzøu ÂÍUSP.
F–2487
Wk ser 20. (a) Illustrate the function of nuclear reactor.
(b) Give a short explanation on cosmic rays.
(A) Aq Eø» ÷Áø» ö\´uø» ÂÁ›.
(B) PõìªU PvºPøÍ¨ £ØÔ SÔ¨¦ ÁøμP.
————————
Fifth Semester
Section A (10 2 = 20)
2. What is meant by Zener breakdown?
ö\Úõº •ÔÄ GßÓõÀ GßÚ?
3. What do you understand by transistor biasing?
iμõß]ìhº \õº¦ £ØÔ }Âº AÔÁx GßÚ?
4. Obtain the relationship between and .
5. What is a single stage amplifier?
JØøÓ {ø»¨ ö£¸UQ GßÓõÀ GßÚ?
6. Define : Transformer.
2
Wk 3 7. What are the desirable properties of a power amplifier?
J¸ vÓß ö£¸UQ°ß Â¸®£zuUP £s¦PÒ ¯õøÁ?
8. What are the advantages of positive feedback?
÷|º¨¤ßÞmhzvß ]Ó¨¦PÒ ¯õøÁ?
9. What is meant by virtual ground?
Section B (5 5 = 25)
Answer all questions, choosing either (a) or (b).
11. (a) Discuss the action of a bridge rectifier.
£õ» Aø»zv¸zv°ß ÷Áø»ø¯ ÂÁõv.
Or
NP \¢v øh÷¯õiß IV £s¦PøÍ ÂÍUS.
12. (a) Draw and explain the characteristics of a transistor in Common Emitter mode.
JßÔß £s¦PøÍ Áøμ¢x ÂÍUS.
Or
JFET JßÔß ö\¯À£õmiøÚ ÂÁ›.
F–2488
3
Wk 3 13. (a) With a neat circuit diagram, explain the action of
direct coupled amplifiers. ÷|º Cøn¨¦ ö£¸UQ°ß öuÎÁõÚ ªß_ØÖ¨
£hzxhß Auß ö\¯À£õmiøÚ ÂÍUSP.
Or
(b) Write a note on the classification of amplifiers. ö£¸UQPÎß ÁøP¨£õmiøÚ £ØÔ SÔ¨¦ GÊx.
14. (a) Explain the action of a Push-pull amplifier and its advantages.
Or
(b) Describe the principles of negative feedback in amplifier with diagram.
ö£¸UQ°ß GvºªßÞmhz uzxÁ® £ØÔ £hzxhß
ÂÁ›UPÄ®.
15. (a) Explain the action of operational amplifier as an adder.
J¸ ö\¯Ø£õmk¨ ö£¸UQ ö\¯À£k® Âuzøu
ÂÍUSP.
Or
(b) What are the characteristics of an ideal Op-Amp? C»m]¯ ö\¯Øö£¸UQ°ß £s¦PÒ ¯õøÁ?
Section C (3 10 = 30)
16. What is Zener diode? Explain how a zener diode can be used as a voltage regulator.
ö\Úõº øh÷¯õk GßÓõÀ GßÚ? Ax GÆÁõÖ J¸
ªß÷Úõmh JÊ[S£kzv¯õP £¯ß£kzu¨£kQÓx GÚ
ÂÍUS.
4
Wk 3 17. Describe voltage divider biasing of a transistor, with
necessary circuit diagram.
iμõß]ìhº JßÔß ªß÷Úõmh £S¨¦ •øÓ°øÚ uS¢u,
_ØÖ¨£hzxhß ÂÁ›.
18. Draw neat diagram of DC and AC circuits and explain working method.
DC ©ØÖ® AC _ØÖPøÍ Áøμ¢x Auß ÷Áø» ö\´²®
•øÓø¯ ÂÍUSP.
19. Describe the action of Hartely oscillator with circuit diagram and also obtain an expression for its frequency of oscillation.
J¸ íõºm¼ Aø»°¯ØÔ GÆÁõÖ ö\¯À£kQÓx Gß£øua
_ØÖ¨£hzxhß ÂÁ›zx Auß AvºöÁsqUPõÚ ÷PõøÁ
u¸ÂUPÄ®.
20. Explain how an operational amplifier acts a differentiator and an integrator.
öuõS¨£õÚõPÄ® GÆÁõÖ ö\¯À£kQÓx Gß£uøÚ
ÂÍUSP.
Fifth Semester
Part A (10 2 = 20)
2. Write the syntax of printf function.
Printf \õº¤ß ö£õx ÁiÁ® GÊx.
3. What is the use of goto label statement?
goto label TØÔß £¯ß GßÚ?
4. Define an array.
\õº¤ß ÁøPPÒ ¯õøÁ?
8. What is a structure?
£õ´Ä¨£h® GßÓõÀ GßÚ?
10. Write an algorithm to find the average of set of numbers.
öPõkUP¨£mh GsPÎß \μõ\› Põn £i•øÓ JßÔøÚ
GÊxP.
Answer all questions, choosing either (a) or (b).
11. (a) How will you define a symbolic constants in C? Explain with example.
GÆÁõÖ {ÖÄÁõ´? Euõμnzxhß ÂÍUS.
“do...while” TØÔß £¯ß£õmiøÚ ÂÍUSP.
Or
(b) Explain, how one dimensional array are declared and initialized in C language.
GÆÁõÖ AÔÂUP¨£mk öuõh[P¨£kQßÓÚ Gß£øu
ÂÍUSP.
3
Wk 3 13. (a) Explain how a function can be defined in C language
with its general form. C ö©õÈ°À, \õº¦ GÆÁõÖ Áøμ¯ÖUP¨£kQßÓx
Gß£øu Auß ö£õx ÁiÁzxhß ÂÍUSP..
Or
(b) Explain about automatic variable with example. uõÛ¯[Q ©õÔPÒ £ØÔ Euõμnzxhß ÂÍUSP.
14. (a) Explain the different between “Call by reference” and “Call by value”.
“Call by reference” ©ØÖ® “Call by value”
Cøh÷¯¯õÚ ÷ÁÖ£õkPøÍ ÂÍUSP.
Or
ÂÍUSP.
15. (a) Write a C program to convert Celsius to Fahrenheit. Celsius¼¸¢x Fahrenheit&BP ©õØÖÁuØPõÚ
Or
(b) Write a C program to find the largest number of an array.
ArrayÀ EÒÍ ªP¨ö£›¯ GsønU Põs£uØPõÚ
Part C (3 10 = 30)
C ö©õÈ°À EÒÍ £À÷ÁÖ C¯UQPøÍ ÂÁ›.
F–2489
4
Wk 3 17. Explain the various forms of “if” statement in C with
example.
C ö©õÈ°À EÒÍ £À÷ÁÖ “if” TÖPøÍ Euõμnzxhß
ÂÁ›.
R÷Ç EÒÍøÁPøÍ ÷ÁÖ£kzvU Põmk
(A) Actual and formal parameters
(B) Global and Local variables
(C) Automatic and static variables.
19. Summarize the rules governing the declaration of a structure. Write the general format for declaring and initializing a structure. Explain with example.
öuõh[SÁuØS® E›¯ ö£õx ÁiÁzøu GÊv,
Euõμnzxhß ÂÍUSP.
20. Write a C program to Add and Subtract of two matrices.
C¸ AoPøÍ TmhÄ® ©ØÖ® PÈUPÄ® ö\´ÁuØPõÚ
————————
Fifth Semester
Section A (10 2 = 20)
1. Why is there a need for non conventional sources of energy?
2. What is a renewable energy?
¦x¨¤UPuUP BØÓÀ GßÓõÀ GßÚ?
3. Mention the types solar collectors.
`›¯ ÷\P›¨£õÛß ÁøPPÒ SÔ¨¤kP.
4. What are the advantages of solar energy sources?
5. List out the application of solar water heater.
`›¯ }º `÷hØÔ°ß £¯ßPøÍ u¸P.
Sub. Code 7BPHE1B
2
Wk 3 6. What are the two problem associated with the use of solar
energy?
¯õøÁ?
PõØÖ BØÓ¼ß PõμoPÒ ¯õøÁ?
8. Define wind energy.
PõØÖ BØÓÀ Áøμ¯Ö.
10. Define Photosynthesis.
Answer all questions, choosing either (a) or (b).
11. (a) Explain Solar constant.
12. (a) Explain the working principle of concentrating collectors.
ö\ÔÅmh¨£mh ÷\P›¨£õß ö\¯À£k® Âuzøu
ÂÍUSP.
Or
`›¯ BØÓÀ ÷\P›¨¤øÚ¨ £ØÔ GÊxP.
13. (a) Explain Box Type solar cooker.
ö£mi ÁøP `›¯ \ø©¨£õß £ØÔ ÂÍUSP.
Or
Or
WECS ß Ai¨£øh £õP[PøÍ £ØÔ ÂÍUSP.
15. (a) Explain the production of energy from tides.
Aø»°ß ‰»® BØÓÀ E¸ÁõUSuÀ £ØÔ ÂÍUSP.
Or
(b) Explain working principles of small scale hydro electric system.
]Ô¯ ÁøP¯õÚ }º ªß Aø©¨¦ ö\¯À£k® Âuzøu
ÂÍUSP.
BØÓÀ ‰»[PÐ® Auß ÷uøÁPøÍ²® £ØÔ ÂÁõv.
F–2491
4
Wk 3 17. Explain the working principle of flat plate collector.
\©uÍ umk ÷\P›¨£õß ÷Áø» ö\´²® Âuzøu ÂÍUSP.
18. Discuss the working principle of solar green house and also mention its advantages.
19. What is Geothermal energy? Explain the estimation of its availability and the nature of geothermal energy fields.
¦Â öÁ¨£ BØÓÀ GßÓõÀ GßÚ? Auß C¸¨¦ ©v¨¥k,
¦Â öÁ¨£ BØÓ¼¸¨¤h[PÎß ußø© £ØÔ GÊxP.
20. Discuss Biogas generation with neat diagram and also mention its applications.
E°›¯À Áõ² E¸ÁõS® •øÓ°øÚ öuÎÁõÚ £hzxhß
————————
Fifth Semester
(CBCS – 2017 onwards)
Part A (10 2 = 20)
÷»\›ß £s¦PøÍ Á›ø\¨£kzx.
2. What is Stimulated emission?
ysh¨£mh EªÌÄ GßÓõÀ GßÚ?
3. Mention the different types of LASER.
÷»\›ß öÁÆ÷ÁÖ ÁøPPøÍ SÔ¨¤k.
4. Distinguish between a ruby laser and He-Ne Laser.
¹¤ ÷»\º ©ØÖ® ï¼¯®&{¯õß ÷»\›ß ÷ÁÖ£õkPøÍz
u¸P.
5. Give any two applications of LASER in Medical field.
©¸zxÁz xøÓ°À ÷»\›ß H÷uÝ® Cμsk £¯ßPøÍ
u¸P.
Holography GßÓõÀ GßÚ?
JÎ°¯À CøÇ Gß£x ¯õx?
8. Define Acceptance angle.
9. What do you mean by splicing of fibres?
CøÇ Cøn¨¦ Gß£uß ö£õ¸Ò ¯õx?
10. Mention the advantages of fibre optic Communication.
CøÇ JÎ°¯À ö\´vz öuõhº¤ß £¯ß£õkPøÍ
SÔ¨¤kP.
Answer all questions, choosing either (a) or (b).
11. (a) How population inversion is achieved in LASER? Explain.
÷»\›À, öuõøP uø»RÇõUP® GÆÁõÖ
\õzv¯¨£kQÓx? ÂÍUSP.
JÎ°¯À JzuvºÁõß £ØÔ ]Ö SÔ¨¦ ÁøμP.
12. (a) Discuss in detail about the basic principle of LASER.
÷»\›ß, Ai¨£øh uzxÁzøu Â›ÁõP ÂÁ›.
Or
SøÓPhzv ÷»\øμ ÂÁ›.
13. (a) Write a note on LASER as a diagnostic tool.
÷»\º – PshÔuÀ P¸Â Gß£x SÔzx ]Ö SÔ¨¦
ÁøμP.
Or
ÂÁ›.
14. (a) What is acceptance angle? Derive a expression for acceptance angle.
HØ¦U ÷Põn® GßÓõÀ GßÚ? HØ¦U ÷Põn®
Or
(b) Write an essay about the losses of signal in optical fibre.
JÎ°¯À CøÇ°À HØ£k® CÇ¨¦PøÍ¨ £ØÔ
Â›ÁõP GÊxP.
JÎ Psk¤i¨£õß £ØÔ SÔ¨¦ GÊx.
Or
F–2492
16. Derive the relation between the probabilities of spontaneous emission and stimulated emission in terms of Einstein’s coefficients.
Ißìøhß SnP® Á¸Âzx ußÛaø\¯õÚ EªÌÄ
ysh¨£mh EªÌÄPøÍ ÂÍUSP.
17. Explain with neat sketches, the principle, construction and working of a He-Ne Laser.
ö\¯Ø£k® Âuzøu, öuÎÁõÚ £hzxhß ÂÁ›.
18. Explain the applications of LASER in industry and Medical fields.
£¯ß£õkPøÍ ÂÍUSP.
19. What is numerical aperture? Derive an expression for the numerical aperture.
Gs vÓ¨¦ GßÓõÀ GßÚ? Gs vÓ¨¦UPõÚ ÷PõøÁø¯
Á¸Â.
JÎ°¯À Cøn¨£õÛß ÁøPPøÍ ÂÁ›.
————————
Fifth Semester
Section A (10 2 = 20)
Ãa_ Aø» £s÷£ØÓ® GßÓõÀ GßÚ?
2. Draw the spectrum of FM.
3. What is a demodulator?
Aø» £ß¤ÓUQ GßÓõÀ GßÚ?
4. Give the parameter of receiver.
HØ¤°ß PõμoPøÍ u¸P.
5. State the various Technology of Digital modulation.
£À÷ÁÖ ÁøP¯õÚ iâmhÀ £s÷£ØÓzvß
öuõÈØ~m£zøu u¸P.
Sub. Code 7BPHE2A
Wk 3 6. What are the disadvantages of digital Communication?
7. Define Topology.
RÌ Cøn¨¦ GßÓõÀ GßÚ?
9. What are the types of fibre based on propagation of light?
JÎ £μ¨¤À Ai¨£øh°À JÎ°øÚ £õvUS® ÁøPPÒ
¯õx?
Answer all questions, choosing either (a) or (b).
11. (a) Explain Varactor diode FM modulator.
öÁμõUhº øh÷¯õk FM £ß÷£ØÔ ÂÍUSP.
Or
AiU_Ámk £UP AP» •øÓø¯ ÂÍUSP.
12. (a) Explain demodulation of PM.
PMß ¤ß¤ÓUPzvøÚ ÂÍUSP.
ÁøÍ¯ {ø» ÷uõØÓzøu ÂÍUSP.
14. (a) Discuss LAN.
JØøÓ Cøn ÁøP JÎ CøÇ°øÚ ÂÍUSP.
Or
Section C (3 10 = 30)
16. Describe Pulse width modulation.
xi¨¦ AP»® £ß÷£ØÓzøu ÂÍUSP.
17. Describe phase demodulation circuit operation for the peak and conversion detectors.
Pmh £ß¤ÓUQøh¯ £hzxhß ö\¯À£k® Âuzøu
ÂÍUSP.
FSK £ØÔ ÂÁõv.
(a) star topology
(b) hybrid topology.
ÂÁõv.
Fifth Semester
Section A (10 2 = 20)
2. What is a primitive cell?
‰» A»S Tk GßÓõÀ GßÚ?
3. Define cohesive energy.
4. What is a covalent bond?
\P ¤øn¨¦ GßÓõÀ GßÚ?
A¯o •øÚÁõUP® GßÓõÀ GßÚ?
6. Write down Clausius-Mossotti equation.
Sub. Code 7BPHE2C
EÒÍõº¢u SøÓ Phzv GßÓõÀ GßÚ?
8. Define Hall effect.
íõÀ ÂøÍÄ Áøμ¯Ö.
9. Define critical temperature.
÷áõ\¨\ß ÂøÍÄ GßÓõÀ GßÚ?
Section B (5 5 = 25)
Answer all questions, choosing either (a) or (b).
11. (a) Explain the lattice parameters of an unit cell.
A»S Tmi¾ÒÍ AoU ÷PõøÁ AÍÃkPÒ ÂÁ›.
Or
12. (a) Explain ionic bond with example.
A¯Û¨¤øn¨ø£ Euõμnzxhß ÂÁ›.
Or
13. (a) List out the physical properties of metals.
E÷»õPzvß C¯Ø¤¯À £s¦PøÍ £mi¯¼k.
Or
3
Wk 3 (b) What are the postulates of free electron theory?
PmhØÓ G»Umμõß öPõÒøP°ß Gk÷PõÒPÒ ¯õøÁ?
14. (a) Mention the properties of semiconductor.
SøÓUPhzv°ß £s¦PøÍ SÔ¨¤kP.
Or
(b) What are the difference between intrinsic and extrinsic semiconductor?
÷ÁÖ£õkPÒ ¯õøÁ?
«UPhzvPÎß £s¦PøÍ GÊxP.