The rest mass of photon is

Important Questions on Modern Physics

EASY

JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 4

The momentum of the photon of wavelength $5000 \mathrm{\AA }$ will be

EASY

JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 5

A photon in motion has a mass

EASY

JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 6

The approximate wavelength of a photon of energy $2.48 \mathrm{eV}$

EASY

JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 7

The number of photons of wavelength $540 \mathrm{nm}$ emitted per second by an electric bulb of power $100 \mathrm{W}$ is (taking, $h=6\times {10}^{-34} \mathrm{J} \mathrm{s}$)

EASY

JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 8

If the energy of the photon is increased by a factor of $4$ then its momentum

EASY

JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 9

Which of one is correct?

EASY

JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 10

The energy of incident photons corresponding to the maximum wavelength of visible light is:

EASY

JEE Advanced

IMPORTANT

Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 9 - Modern Physics>Objective Problems [Level 1]>Q 11

The momentum of a photon is $6.6\times {10}^{-29} \mathrm{kg} \mathrm{m} {\mathrm{s}}^{-1}$. The frequency of the radiation (in $\mathrm{Hz}$ ) is