Home
Class 12
PHYSICS
A metal surface of work function 1.07 eV...

A metal surface of work function `1.07 eV` is irradiated with light of wavelength `332 nm`. The retarding potential required to stop the escape of photo - electrons is

A

4.81 eV

B

3.74 eV

C

2.66 eV

D

1.07 eV

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTRON, PHOTON, PHOTOELECTRIC EFFECT AND X-RAYS

    ERRORLESS |Exercise Cathode Rays and Positive Rays|11 Videos
  • ELECTRON, PHOTON, PHOTOELECTRIC EFFECT AND X-RAYS

    ERRORLESS |Exercise Photon and Photoelectric Effect|4 Videos
  • ELECTRO MAGNETIC INDUCTION

    ERRORLESS |Exercise SET|20 Videos
  • ELECTRONICS

    ERRORLESS |Exercise Selv Evaluation Test|23 Videos

Similar Questions

Explore conceptually related problems

Find the retarding potential required to stop electron of the de Broglie wavelength 0.5 nm

The work function of a metallic surface is 5.01 eV. The photoelectrons are emitted when light of wavelength 2000A falls on it. The potential difference applied to stop the fastest photoelectrons is

The work function of a metallic surface is 5.01 eV . The photo - electrons are emitted when light of wavelength 2000 Å falls on it . The potential difference applied to stop the fastest photo - electrons is [ h = 4.14 xx 10^(-15) eV sec]

When a metal surface is illuminated by a monochromatic light of wave-length lambda , then the potential difference required to stop the ejection of electrons is 3V . When the same surface is illuminated by the light of wavelength 2lambda , then the potential difference required to stop the ejection of electrons is V . Then for photoelectric effect, the threshold wavelength for the metal surface will be

Electrons with maximum kinetic energy 3eV are ejected from a metla surface by ultraviolet radiation of wavelength 1500Å . Determine the work function of the metal, the threshold wavelength of metal and the stopping potential difference required to stoop the emission of electrons.

The work function of metal is 1 eV . Light of wavelength 3000 Å is incident on this metal surface . The velocity of emitted photo - electrons will be

A sodium (Na) surface is illuminated with light of wavelength 300 nm . The work function for Na metal is 2.46eV . The kinetic enegry of the ejected photoelectrons is

The work function of a metal is 4.0 eV . If the metal is irradiated with radiation of wavelength 200 nm, then the maximum kinetic energy of the photoelectrons would be about.

The surface of a metal is illuminated with light of wavelength 400 nm. The kinetic energy of the ejected photoelectrons was found to be 1.68 eV. What is the work function of the metal ? [ hC=1240 eV*nm ]

The stopping potential for the photo-electrons emitted from a metal surface of work-function 1.7 eV is 10.4 eV. Find the wavelength of the radiation used. Also identify the energy-levels in hydrogen atom which will emit this wavelength.