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science form 3 2021 by cikgu heeryENGLISH VERSION: Wilhelm Roentgen: - discovered X-ray Henri Becquerel: - discovered radioactivity Marie & Pierre Curie: - detected gamma
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1. CONTENTS What is Radioactivity? Radioactive Nuclei 1) Strong Nuclear Force 2) Stability of Nucleus What are Radioisotopes? How many? How are they…
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also called shock sudden or impulsive loading Impact Compare Time of Load Application t with Natural Period of Vibration τ a Rapidly moving dashpot ■driving a nail with…
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© Faculty of Mechanical Engineering, Belgrade. All rights reserved FME Transactions (2016) 44, 237-248 237 Received: September 2015, Accepted: April 2016 Correspondence…
Radioactivity Radioactive (unstable) nuclei are generally believed to be man made, however many unstable isotopes are produced in large quantities by “natural” occurring…
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UNIT G485 Module 3 533 Radioactivity Candidates should be able to : Describe the spontaneous and random nature of radioactive decay of unstable nuclei …