Question

plz tell me some questions related to nuclear physics for class 10 ICSE

Answer 1

Question. What are α , β and γ radiations composed of?

Question. What is thermionic emission? Name two factors on which thermionic emission depends.

Question. An alpha particle absorbs an electron. What does it change to?

Question. An atomic nucleus denoted by AXZ emits an alpha particle. Write an equation to show the formation of the daughter product.

Question. What is radioactivity ?

Question. Explain what changes take place within the nuclei, when beta particles are emitted by a radioactive substance?

Question. Which radiation or particle from radioactive decay produces maximum biological damage?

Question. State three precautions that must be taken while handling a radioactive source.

Question. Describe briefly, two properties each of alpha and gamma radiations.

Question. Define the term ‘work function’ of a metal.

Question. Mention two common properties of gamma radiations and visible light.

Question. Why are materials of low work function preferred as thermionic cathode materials?