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प्रश्न
An α-particle and a proton are accelerate at same potential difference from rest. What will be the ratio of their final velocity?
पर्याय
`sqrt(2) : 1`
1 : 1
`1 : sqrt(2)`
1 : 2
MCQ
उत्तर
`1 : sqrt(2)`
Explanation:
As ev = `1/2` mv2
v = `sqrt((2ev)/m)`
`(Valpha)/(Vp) = sqrt(((e/m)alpha)/((e/m)p)) = 1/sqrt(2)`
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