The Experimental Observation(s) Below That Require(s) a Quantum Explanation for the Photoelectric

question 34

Multiple Choice

The experimental observation(s) below that require(s) a quantum explanation for the photoelectric effect

• A) is that more photoelectrons are emitted when the light frequency increases.
• B) is that the maximum kinetic energy of the photoelectrons is related linearly to the frequency of the light.
• C) is that every metal surface has a work function, a minimum amount of energy needed to free electrons.
• D) is that the stopping potential measures the kinetic energy of the photoelectrons.
• E) are all of the above.