A proton, a deuteron and an α−particle are accelerated through the same potential difference of V volt. The velocities acquired by them are in the ratio
1:√2:1
1:1:√2
√2:1:1
1:1:1
A
1:1:√2
B
1:√2:1
C
1:1:1
D
√2:1:1
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Solution
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Charge on proton =α
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