Home
Class 12
PHYSICS
The power of a monochromatic light of fr...

The power of a monochromatic light of frequency `6 xx 10^(14) Hz " is " 2 xx 10^(-3)W`
What is the energy of photon in the light beam?

Text Solution

Verified by Experts

The correct Answer is:
`2.49 eV`
Promotional Banner

Topper's Solved these Questions

  • QUANTUM THEORY

    CHHAYA PUBLICATION|Exercise Exercise (Hots Numerical Problems)|4 Videos

  • QUANTUM THEORY

    CHHAYA PUBLICATION|Exercise Entrance Corner (Assertion- Reason Type)|10 Videos

  • QUANTUM THEORY

    CHHAYA PUBLICATION|Exercise Exercise (Problem Set- I)|41 Videos

  • OPTICAL INSTRUMENTS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|8 Videos

  • QUESTION PAPER OF NEET 2017

    CHHAYA PUBLICATION|Exercise QUESTION PAPERS OF (NEET) (2017)|39 Videos

Similar Questions

Explore conceptually related problems

The power of a monochromatic light of frequency 6 xx 10^(14) Hz " is " 2 xx 10^(-3)W On average, how many photons are emitted by the source? Given, h = 6.63 xx 10^(-34)J.s

A monochromatic light of frequency 5 xx 10^(14) Hz travels from vacuum to a medium of refraction index 1.5. What will be the wavelength of light in that medium?

What is the energy content per photon (J) for light of frequency 4.2xx10^(14)

A fraunhofer diffraction pattern is being formed by light wave of frequency 5xx 10^(14) Hz through a slit of width 10^(-2) m . Find the angular width of central maximum [Velocity of light in vacuum = 3xx10^(8) m. s^(-1) ]

Find the energy of a photon of wavelength 4950 Å in eV ( h = 6.62 xx 10^(-27) erg.s) . What is the momentum of this photon?

Wavelength of ultraviolet light is 3 xx 10^(-5) cm . What will be the energy of a photon of this light, in eV? (c = 3 xx 10^(10) m.s^(-1))

Frequency of a photon is 1.2xx10^(15)Hz . Calculate its energy in J.

The threshold frequency for a photosensitive metal is 3.3 xx 10^(14) Hz . If a light of frequency 8.2 xx 10^(14)Hz is incident on this metal, the cut-off voltage for the photoelectron emission is nearly.