#### Quantum Physics Problems

(See below for answers)

1. Light having a wavelength of 300 nm caused electrons to be ejected with a stopping potential of 2.0V Determine:

a. the work function of the metal.

b. the threshold frequency.

2. If the uncertainty with respect to the position of a particle is 5.0 x 10^{-8} m, what is the minimum uncertainty in the particle's momentum?

3. What is the deBroglie wavelength of an electron having 9.0 x 10^{-17} J of Kinetic energy?

#### Answers to Quantum Physics Problems

For solutions to all the problems on this page click here.