Home
Class 12
PHYSICS
For intensity I of a light of wavelength...

For intensity `I` of a light of wavelength `5000 Å` the photoelectron saturation current is `0.40 mu A` and stopping potential is `1.36 V` , the work function of metal is

A

2.47 eV

B

1.36 eV

C

1.10 eV

D

0.43 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

A photon of wavelength 1000 Å has energy 12.3 eV . If light of wavelength 5000 Å , having intensity I, falls on a metal surface, the saturaion current is 0.40 mu A and the stopping potential is 1.36 V . The work function of metal is

Given that a photon of light of wavelength 10,000 angstrom has an energy equal to 1.23eV . When light of wavelengths 5000 angstrom and intensity I_(0) falls on a photoelectric cell, the saturation current is 0.40 xx 10^(-6) ampere and the stopping potential is 1.36 volt, then the work function is-

Given that a photon of light of wavelength 10,000A has an energy equal to 1.23 eV. When light of wavelength 5000A and intenstiy I_0 falls on a photoelectric cell, the saturation current is 0.40xx10^(-6)A and the stopping potential is 1.36V, then the work function is

Given that a photon of light of wavelength 10,000Å has an energy equl to 1.23eV. When light of wavelength 5000Å and intensity I_(0) falls on a photoelectric cell and the saturation current is 0.40xx10^(-6) ampere and the stopping potential is 1.36 volt, then (i)what is the work function? (ii) If intensity of light is made 4I_(0) , what should be the saturation current and stopping potential?

A low intensity ultraviolet light of wavelength 2271Å irradiates a photocell made of molybdenum metal. If the stopping potential is 1.3V, find the work function of the metal. Will the photocell work if it is irradiated by a high intensity red light of wavelength 6328Å ?

An ultraviolet light of wavelength 2000 Å irradiates a photo cell made of molybdenum metal . If the stopping potential is -1.5 V , what is the work function of the metal ?

if the intensity of light is made 4I_0 , then the saturation current will become

Light of wavelength 4000 Å is incident on a metal surface. The maximum kinetic energy of emitted photoelectron is 2 eV. What is the work function of the metal surface ?

Light of wavelength 0.6mum from a sodium lamp falls on a photocell and causes the emission of photoelectrons for which the stopping potential is 0.5V. With light of wavelength 0.4mum from a murcury vapor lamp, the stopping potential is 1.5V . Then, the work function [in electron volts] of the photocell surface is