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) the total energy of the photons emitted per unit time increases
(c) more energetic photons are emitted
(d) faster photons are emitted

A

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

B

the total energy of the photons emitted per unit time increases

C

more energetic photons are emitted

D

faster photons are emitted

Text Solution

Verified by Experts

The correct Answer is:
A, B
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • PHOTO ELECTRIC EFFECT AND WAVE PARTICLE DUALITY

    HC VERMA ENGLISH|Exercise Exercise|35 Videos

  • PHOTO ELECTRIC EFFECT AND WAVE PARTICLE DUALITY

    HC VERMA ENGLISH|Exercise question for short answer|13 Videos

  • PHOTO ELECTRIC EFFECT AND WAVE PARTICLE DUALITY

    HC VERMA ENGLISH|Exercise objective I|14 Videos

  • PERMANENT MAGNETS

    HC VERMA ENGLISH|Exercise Short Answer|11 Videos

  • PHOTOMETRY

    HC VERMA ENGLISH|Exercise All Questions|38 Videos

Similar Questions

Explore conceptually related problems

A 100 W bulb is emitting light of wavelength 300 nm .Calculate the number of photon emitted by the bulb in 1 min?

If the intensity of radiation incident on a photocell be increased four times, then the number of photoelectrons and the energy of photoelectrons emitted respectively become.

Is it always true that for two sources of equal intensity, the number of photons emitted in a given time are equal?

Energy of an emitted photon with wavelength 620 nm is :

A 1000 W transmitter works at a frequency of 880kHz. The number of photons emitted per second Is

A 100 W point source emits monochromatic light of wavelength 6000 A Calculate the total number of photons emitted by the source per second.

The number of photons emitted in 10 hours by a 60 W sodium lamp (lambda of photon = 6000 Å)

Photons of wavelength 660 nm are emitted from a 60 watt lamp. What is the number of photons emitted per second ?

The radiant energy is emitted or absorbed continuously in the form of photons.

If the wavelength of light emitted by a sodium vapour lamp is 5893 A then the numebr of photons emitted in 5 hour by a 50 W lamp will be

Home
Profile