Question

If an electron and a proton have the same kinetic energy, the ratio of the de Broglie wavelengths of proton and electron would approximately be :

A

1 : 1837

B

43 : 1

C

1837 : 1

D

1 : 43

Medium

Solution

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Correct option is D)



De Broglie wavelength associated with change particle


where  P is momentum of change

So, 


So, 








So, the answer is option (D).

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