Home
Class 12
PHYSICS
A : On increasing the intensity of light...

A : On increasing the intensity of light , the number of photoelectrons emitted is more . Also the kinetic energy of each photo increases but the photoelectric current is constant
R : Photoelectric current is independent of intensity but increases with increasing frequency incident radiation

A

If both Assertion & Reason are ture and the reason is the correct explanation of the assertion , then mark (1) .

B

If both Assertion & Reason are true but the reason is not the correct explanation of the assertion , then mark (2) .

C

If Assertion is true statement but Reason is false , then mark (3)

D

If both Assertion and Reason are false statements , then mark (4) .

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    AAKASH INSTITUTE ENGLISH|Exercise Try Yourself|15 Videos

  • ALTERNATING CURRENT

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section - A) ( Objective Type Questions ( One option is correct))|40 Videos

  • ATOMS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION J (Aakash Challengers )|5 Videos

Similar Questions

Explore conceptually related problems

As the intensity of incident light increases

If the frequency of light in a photoelectric experiment is double then maximum kinetic energy of photoelectron

Assertion: we can increases the saturation current in photoelectric experiment without increasing the intensity of light. Reason: Instensity can be increased by increasing the frequency of incident photons.

Assertion (A) : On increasing the frequency of light larger number of photoelectrons are emitted . Reason (R) : The number of electrons emitted depends on the intensity of incident light.

Assertion : Photodiode current work in reverse bias. Reason : Change in diode increases with increase in intensity .

In a photoelectric emission process the maximum energy of the photo - electrons increase with increasing intensity of the incident light .

According to Einstein's photoelectric equation , the graph between the kinetic energy of photoelectrons ejected and the frequency of incident radiation is

The intensity of light falling on a phototube is increased while keeping the no of photons falling per second constant. Assuming that photoelectric field does not change then :

The maximum kinetic energy of electrons emitted in the photoelectric effect is linearly dependent on the ………. Of the incident radiation .

1.5 mW of 400 nm light is directed at a photoelectric cell. If 0.1% of the incident photons produce photoelectrons, find the current in the cell.