If the kinetic energy of a free electron is doubled, its de Broglie wavelength
A. decreases by a factor of 2
B. increases by a factor of 2
C. decreases by a factor of \(\sqrt {2}\)
D. increases by a factor of \(\sqrt {2}\).
Answer:C
If the kinetic energy of a free electron is doubled, its de Broglie wavelength
A. decreases by a factor of 2 B. increases by a factor of 2 C. decreases by a factor of \(\sqrt {2}\) D. increases by a factor of \(\sqrt {2}\).