1.

Explain briefly why : (a) α−particles cannot travel through the air for a long distance? (b) γ−radiations can travel through the air for a long distance? [5 MARKS]

Answer» Explain briefly why :
(a) αparticles cannot travel through the air for a long distance?
(b) γradiations can travel through the air for a long distance?
[5 MARKS]



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