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The emission of an α-particle or the emission of a β-particle is nearly always accompanied by what is known as γ-radiation.(i) How does the ionizing power of γ-radiation compared with that of α and β particles?(ii) Is γ-radiation more or less penetrating than α and β particles?(iii) Is it possible to deflect γ-radiation in the ways that α and β particles can be deflected, using electric or magnetic fields?(iv) What is γ-radiation thought to be? |
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Answer» (i) The ionising power of γ-radiation as compared with α- and β-particles is about 1/100 times that of the β particles and 1/10000 times that of the α -particles. (ii) γ -radiations are highly penetrating. Their penetrating power is about 100 times that of (7i- particles and 10000 times that of α -particles. (iii) They are not deflected by electric and magnetic fields. (iv) γ -radiation are electromagnetic radiations of short wavelength shorter even than the wavelength of X-rays. |
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