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Question
A radioactive source emits three types of radiations. Name them.
(i) Name the radiations which are charged.
(ii) Name the radiations which are most penetrating.
(iii) Name the radiations which travel with the speed of light.
(iv) Name the radiations which have the largest mass.
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Solution
A radioactive source emits three types of radiations. These are a
radiations, β radiations and Y radiations.
(i) α radiations and β radiations a re charged radiations.
(ii) Y radiations a re most penetrating radiations.
(iii) Y radiation travels with speed of light.
(iv) a radiations have largest mass.
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