1. Linked Multiple Choice Questions – Photoelectric Effect

2. Confer with your neighbors before answering each of the following

3. The choices for each of the following question are given below
The choices for each of the following question are given below. The questions are independent and choices may be reused
photocurrent increases immediately
photocurrent increases gradually
photocurrent decreases immediately
photocurrent decreases gradually
No change in the photo current
Cannot be determined

4. Infrared light shined on the photocathode initially emits no electrons
Infrared light shined on the photocathode initially emits no electrons. The intensity of the light is increased. The classical prediction is 1 2 3 4 5 6 1 2 3 4 5

5. Infrared light shined on the photocathode initially emits no electrons
Infrared light shined on the photocathode initially emits no electrons. The intensity of the light is increased. The quantum prediction is 1 2 3 4 5 6 1 2 3 4 5

6. Ultraviolet light shined on the photocathode initially emits electrons
Ultraviolet light shined on the photocathode initially emits electrons. The intensity of the light is increased. The classical prediction is 1 2 3 4 5 6 1 2 3 4 5

7. Ultraviolet light shined on the photocathode initially emits electrons
Ultraviolet light shined on the photocathode initially emits electrons. The intensity of the light is increased. The quantum prediction is 1 2 3 4 5 6 1 2 3 4 5

8. It is observed that light of 540 nm just begins to emit photoelectrons
It is observed that light of 540 nm just begins to emit photoelectrons. The wavelength of the incident light is changed to 550 nm. The classical prediction is 1 2 3 4 5 6 1 2 3 4 5

9. It is observed that light of 540 nm just begins to emit photoelectrons
It is observed that light of 540 nm just begins to emit photoelectrons. The wavelength of the incident light is changed to 550 nm. The quantum prediction is 1 2 3 4 5 6 1 2 3 4 5