1.

Consider alpha-, beta- particles and gamma- rays, each having an energy fo 0.5Mev in increasing order f penertation power, the radiations are:

Answer»

`alpha, beta, GAMMA`
`alpha, gamma , beta`
`beta, gamma , alpha `
`gamma, beta, alpha`

Solution :For given ENERGY , the radiations in the INCREASING order of PENETRATING POWER are `alpha lt beta lt gamma `


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