Home
Class 12
PHYSICS
When the intensity of a light source is ...

When the intensity of a light source is increased.

A

the number of photons emitted by the source in unit time increases .

B

more energies photons are emitted

C

faster photons are emitted

D

total energy of the photons emitted per unit time decreases.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

What happens if intensity of light is increased, when the frequency is less than threshold value?

Below the threshold frequency, if the intensity of radiation is increased, the emission of photoelectrons "_________" .

As the intensity of incident light increases

When intensity of incident light increases

The frequency and intensity of a light source are both doubled. Consider the following statements A. The saturation photocurrent remains almost the same B. The maximum kinetic energy of the photoelectrons is double

What is the effect on the interference fringes in a Young' double slit experiment due to each of the following operations. a. the screen is moved away from the plane of the slits. b. the (monolchromatic) source is replaced by another (monochromatic) source of shorter wavelength. c. the separation between the two slits is increased. d. the source slit is moved closer to the double slit plane: e. the width of the source slit is increased. f. The monochromatic source is replaced by a source of white light? (in each operation, take all parameters, other than the one specified, to remain unchanged).

The one parameter that determines that brightness of a light source sensed by an eye is

Calculate the change in intensity level when the intensity of sound increases by 10^(6) times its original intensity.