Wave particle duality

1

Which statement best describes the photoelectric effect?

2

Which of the following combinations is most likely to emit photoelectrons?

3

What is the energy of a photon of frequency 5.7 x 1014 Hz?

4

What is the work function of a metal which has a threshold frequency of 4.8 x 1014 Hz?

5

Calculate the velocity of an electron emitted by radiation of frequency 5.7 x 1014 Hz from a metal with a work function of 3.18 x 10-19 J?. The mass of an electron is 9.11 x 10-31 kg.

6

Why is the photoelectric effect not due to ionization?

7

What aspect of wave particle duality is shown by the photoelectric effect?

8

What is the name of the constant h in the equation E = h f?