Question

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 would
(a) increase by 2 times
(b) decrease by 2 times
(c) decrease by 4 times
(d) increase by 4 times

Answer 1

Answer:

I think increase of two times