1.

A physical was performing experiments to study the velociyt and wavelength of the electron. In one case, the electron was accelerated through a potential differences of 1 KV and in second case it was accelerated through a potential difference of 2KV. The value associated with electron n will be

Answer»

DOUBLE in the SECOND CASE than in the FIRST case.
Double in the first case than in second case
1.4 TIMES in the second case than in the first case
1.4 times in the first case than in the second case.

Answer :D


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