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:B
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