Dual Nature Of Light Question 127
Question: When the kinetic energy of an electron is increased, the wavelength of the associated wave will
Options:
A) Increase
B) Decrease
C) Wavelength does not depend on the kinetic energy
D) None of the above
Show Answer
Answer:
Correct Answer: B
Solution:
$ \lambda =\frac{h}{p}=\frac{h}{\sqrt{2mE}};\ \ \therefore \ \lambda \propto \frac{1}{\sqrt{E}} $ (h and m = constant)
BETA
