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प्रश्न
From α, β and γ-rays, name the one which is not affected by electric or magnetic field?
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उत्तर
γ-rays are not affected by electric or magnetic field.
संबंधित प्रश्न
State three factors on which the rate of emission of electrons from a metal surface depends
Arrange α, β, and γ rays in ascending order with respect to their
1) Penetrating power.
2) Ionising power
3) Biological effect
A nucleus `""_11^24Na` emits a beta particle to change into Magnesium (Mg)
(i) Write the symbolic equation for the process.
(ii) What are numbers 24 and 11 called?
(iii) What is the general name of `""_12^24Mg `with respect to `""_11^24Na` ?
When is said to be the nucleus unstable?
What do you mean by Atomic number
What happens to the mass number of an element when (i) an α -particle, (ii) a β -particle, and (iii) γ -radiation is emitted?
Why should a radioactive substance not be touched by hands?
Name a common device where a hot cathode ray tube is used.
What do you understand by the term radioactivity?
Are all the radiations viz. α, β and γ emitted in a single radioactive decay?
