Home
Class 12
PHYSICS
Violet light is falling on a photosensit...

Violet light is falling on a photosensitive material causing ejection of photoelectrons with maximum kinetic energy of 1 eV . Red light falling on metal will cause emission of photoelectrons with maximum kinetic energy (approximately) equal to

A

1.2 eV

B

0.9 eV

C

0.5 eV

D

Zero , that is no photoemission

Text Solution

Verified by Experts

The correct Answer is:
D
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

The maximum kinetic energy of the photoelectrons veries

The maximum kinetic energy of the photoelectrons depends only on

Photons of energy 7eV fall on the surface of a metal X resulting in emission of photoelectrons having maximum kinetic energy E_(1) = 1eV . Y is another metal on the surface of which photons of energy 6eV are incident and result in emission of photoelectrons of maximum kinetic energy E_(2)= 2eV . The ratio of work functions of metals X and Y, (phi_(x))/(phi_(y)) is ____________

If the frequency of light in a photoelectric experiment is double then maximum kinetic energy of photoelectron

The maximum kinetic energy of a photoelectron is 3 eV. What is its stopping potential ?

The stopping potential in an experiment on photoelectric effect is 2V. What is the maximum kinetic energy of the photoelectrons emitted ?

The stopping potential in an experiment on a photo electric effect is 1.5 V. What is the maximum kinetic energy of the photoelectrons emitted?

When photons of energy hv fall on an aluminium plate (of work function E_(0) ), photoelectrons of maximum kinetic energy K are ejected . If the frequency of the radiation is doubled , the maximum kinetic energy of the ejected photoelectrons will be

If the work functions of three photosensitive materials are 1 eV, 2 eV and 3 eV respectively, then the ratio of the respective frequencies of light that produce photoelectrons of the maximum kinetic energy of 1 eV from each of them is

When monochromatic radiation of intensity I falls on a metal surface, the number of photoelectrons and their maximum kinetic are N and T respectively. If the intensity of radiation is 2 I, the number of emitted electrons and their maximum kinetic energy are respectively.