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ICSE Notes 2018 : Physics

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Devjyoty Das
Meghmala Roy Education Centre, Kolkata
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Assignment Nuclear Physics 1. (a) What do you understand by : (i) atomic number, (ii) atomic mass. (b) What are isotopes? Give one example. (c) Define the term radioactivity. 2. A radioactive source emits three types of radiation (i) Name the radiations which are charged. (ii) Name the radiations which are the most penetrating. (iii) Name the radiations which travel with the speed of light. (iv) Name the radiations which have largest mass. (v) Name the radiations consisting of same kind of particles as the beam of electrons. 3. (i) What kind of change takes place in the nucleus, when a -particle is emitted? (ii) What kind of change takes place in the nucleus, when an alpha particle is emitted. (iii) What kind of change takes place in the nucleus, when gamma radiations are emitted. Class-X 1 Assignment

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