Home
Class 12
PHYSICS
The minimum energy required to ejected a...

The minimum energy required to ejected an electron from the surface of a metal is called............ .

Text Solution

Verified by Experts

threshold frequency
Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF RADIATION AND MATTER

    MODERN PUBLICATION|Exercise Revision Exercises (Short Answer Questions)|35 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    MODERN PUBLICATION|Exercise Revision Exercises (Long Answer Questions)|3 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    MODERN PUBLICATION|Exercise Revision Exercises (Additional Questions)|8 Videos

  • CURRENT ELECTRICITY

    MODERN PUBLICATION|Exercise Chapter Practice Test|15 Videos

  • ELECTRIC CHARGES AND FIELDS

    MODERN PUBLICATION|Exercise Chapter Practice Test|15 Videos

Similar Questions

Explore conceptually related problems

The minimum energy required to eject an electron from an atom is called

The minimum energy required to remove an electron is called

The minimum energy required for the emission of photoelectron from the surface of a metal is 4.95 xx10^(-19)J . Calculate the critical frequency of the photon required to eject the electron . h = 6.6 xx10^(-34) J sec

What is the name given to the minimum energy of incident radiation required to free an electron from the surface of a metal?

When electromagnetic radiaiton of wavelength 300 nm falls on the surface of sodium electrons are emitted with a kinetic enegry of 1.68xx10^(5)Jmol^(-) . What is the minimum enegry needed to remove an electorn from sodium? Strategy: The minimum enegry required to remove an electron from target metal is called work function W_(0) of the metal. It can be calculated from Eq., provided we know the energy of the incident photon and kinetic enegry of a single photoelectorn.

The minimum energy required for the electron emission from the metal surface can be supplied to the free electrons by which of the following physical processes ?

Minimum energy required to takeout the only one electron from ground state of He^(+) is

The minimum energy required by an electron to..........form the metal surface so as to overcome the restraining forces at the surface is called........... .