1.

If lambda_1 and lambda_2 denote the de-Broglie wavelength of two particles with same masses but charges in the ratio of 1 : 2 after they are accelerated from rest through the same potential difference, then

Answer»

`lambda_1 = lambda_2`
`lambda_1 LT lambda_2`
`lambda_1 gt lambda_2`
NONE of these

Solution :`LAMBDA = (H)/(SQRT(2mvV)) , KE = eV, ` same mass


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