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Question: Order of \(\frac{e}{m}\) ratio of proton, a–particle and electron is–...

Order of em\frac{e}{m} ratio of proton, a–particle and electron is–

A

e> p >a

B

p >a> e

C

e >a> p

D

None

Answer

e> p >a

Explanation

Solution

em= charge mass⁡\frac { \mathrm { e } } { \mathrm { m } } = \frac { \text { charge } } { \operatorname { mass } }

mass is least for electron.

so em\frac { \mathrm { e } } { \mathrm { m } }ratio for electron is maximum