Transcript LMC - Photoelectric Effect

Linked Multiple Choice
Questions –
Photoelectric Effect
The choices for each of the following
question are given below. The questions
are independent and choices may be reused
A.
B.
C.
D.
E.
photocurrent increases immediately
photocurrent increases gradually
photocurrent decreases
immediately
photocurrent decreases gradually
No change in the photo current
Infrared light shined on the photocathode
initially emits no electrons. The intensity of
the light is increased. The classical
prediction is
A.
B.
C.
D.
E.
A
B
C
D
E
Infrared light shined on the photocathode
initially emits no electrons. The intensity of
the light is increased. The quantum
prediction is
A.
B.
C.
D.
E.
A
B
C
D
E
Ultraviolet light shined on the photocathode
initially emits electrons. The intensity of the
light is increased. The classical prediction is
A.
B.
C.
D.
E.
A
B
C
D
E
Ultraviolet light shined on the photocathode
initially emits electrons. The intensity of the
light is increased. The quantum prediction is
A.
B.
C.
D.
E.
A
B
C
D
E
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
A.
B.
C.
D.
E.
A
B
C
D
E
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
A.
B.
C.
D.
E.
A
B
C
D
E