1.

Electrons used in an electron microscope are accelerated by a voltage of `25 kV`. If the voltage is increased to `100 kV` then the de - Broglie wavelength associated with the electrons wouldA. increase by 2 timesB. decrease by 2 timesC. decrease by 4 timesD. increase by 4 times

Answer» Correct Answer - B
`lambdaprop(1)/sqrt(v)`


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