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Question

The nuclide X under goes α - decay and another nuclides Y undergoes β - decay, which of the following statements is/are correct ?

A
The β - particles emitted by Y may have widely different speeds
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B
The α - particles emitted by X may have widely different speeds
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C
The α- particles emitted by X will have almost same speed
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D
The β - particles emitted by Y will have the same speed
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Solution

The correct option is B The α - particles emitted by X may have widely different speeds
α - decay has very less speed as compared to β - decay.
Therefore α - particle emitted by X have widely different speed.

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