Home
Class 12
PHYSICS
Find the retarding potential requred to ...

Find the retarding potential requred to stop the escape of photo electrons from the metal surface of work function 1.07 eV , which is irradiated with light of wavelength 332 mn

Text Solution

AI Generated Solution

To solve the problem of finding the retarding potential required to stop the escape of photoelectrons from a metal surface with a work function of 1.07 eV, when irradiated with light of wavelength 332 nm, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Given Values:** - Work function \( W_0 = 1.07 \, \text{eV} \) - Wavelength \( \lambda = 332 \, \text{nm} = 332 \times 10^{-9} \, \text{m} \) - Planck's constant \( h = 6.626 \times 10^{-34} \, \text{Js} \) ...
Promotional Banner

Topper's Solved these Questions

  • ALTERNATING CURRENT

    AAKASH INSTITUTE ENGLISH|Exercise Try Yourself|15 Videos
  • ALTERNATING CURRENT

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section - A) ( Objective Type Questions ( One option is correct))|40 Videos
  • ATOMS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION J (Aakash Challengers )|5 Videos

Similar Questions

Explore conceptually related problems

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

Calculate the value of retarding potential in volt needed to stop the photoelectron ejected from a metal surface of work function 1.29 eV with light frequency of 5.5 xx 10^(14) sec^(-1) (nearly)

Five volt of stopping potential is needed for the photoelectrons emitted out of a surface of work function 2.2 eV by the radiation of wavelength

a. A stopping potential of 0.82V is required to stop the emission of photoelectrons from the surface of a metal by light of eavelength 4000 A . For light of wavelength 3000 A , the stopping potential is 1.85V . Find the value of Planck's constant. [1 electrons volt (eV) =1.6xx10^(-19)J] b. At stopping potential, if the wavelength of the incident light is kept fixed at 4000 A , but the intensity of light increases two times, will photoelectric current be botained ? Give reasons for your answer.

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

What will be the minimum frequency of light source to get photocurrent, from a metal surface having work function 2 eV ?

In a photo-electric cell, a retarding potential of 0.5 V is required to block the movement of electrons from the cathode when monochromatic light of wavelength 400 nm is incident on its surface. Find the work function of the material of the cathode.

Light of wavelenght 5000 Å fall on a metal surface of work function 1.9 eV Find a. The energy of photon

If a surface has a work function 4.0 eV, what is the maximum velocity of electrons liberated from the surface when it is irradiated with ultraviolet radiation of wavelength 0.2 mum ?

Find the threshold wavelength of light that would produce photoelectrons for a silver surface . The work function for silver is 4.8 eV