calculate the threshold frequency of the metal from which the photoelectrons are emitted with zero velocity when exposed to radiation of wavelength 6800 Armstrong

Open in App

Solution

Suggest Corrections

Similar questions

Q. Electrons are emitted with zero velocity from a metal surface when it is exposed to radiation of wavelength

6800 \circ A

. Calculate threshold frequency

v_{0}

and work function

w_{0}

of the metal.

Electrons are emitted with zero velocity from a metal surface, when it is exposed to a radiation of wavelength 6800 Å . Then work function of metal is

Q. Threshold wavelength for photoelectric emission from a metal surface is

5200 ˚ A

. Photoelectrons will be emitted when this surface is illuminated with monochromatic radiation from:

Q. A certain metal was irradiated with light of frequency

3.2 \times 10^{16}

Hz. The photoelectrons emitted had twice the kinetic energy as did photoelectrons emitted when the same metal was irradiated with light of frequency

2 \times 10^{16}

Hz. Calculate the threshold frequency for the metal.

A metal surface of threshold frequency $5.3 \times 10^{14} s e c^{- 1}$ is exposed to a photon of radiation having energy $3.4 \times 10^{- 19} J$ .

Join BYJU'S Learning Program