1.

What is the correct order of velocity of alpha (alpha) and, " beta" (beta) and gamma (gamma) rays

Answer»

`ALPHA gt beta gt gamma`
`alpha gt gamma beta`
`gamma gt alpha gt beta`
`gamma gt beta gt alpha`

Solution :The velocity of `alpha`-rays are `~ (1)/(10)` th of that of light, that of `beta-`rays are `~(1)/(3) " to " (9)/(10)` th of that of light. The velocity of `gamma`-rays are same as that of light


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