Home
Class 11
CHEMISTRY
Stopping potential [V volts] is plotted ...

Stopping potential [V volts] is plotted against frequancy of light used `[vec]`.
Find work function `(eV)`

Text Solution

Verified by Experts

Threshold frequancy.`upsilon_(0) = 10^(14)Hz`
work function `hupsilon_(0) = 6.626xx10^(-34)xx10^(14)//1.6 xx10^(-19) = 0.414 eV`
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE

    ALLEN|Exercise Exercise - 01|38 Videos
  • ATOMIC STRUCTURE

    ALLEN|Exercise Exercise - 02|59 Videos
  • IUPAC NOMENCLATURE

    ALLEN|Exercise Exercise - 05(B)|7 Videos

Similar Questions

Explore conceptually related problems

In a photoelectric experiment , the stopping potential V_s is plotted against the frequency v of the incident light . The resulting curve is a straight line which makes an angle theta with the v - axis. Then tan theta will be equal to (Here E_0 = work function of the surface_

Graph between stopping potential and frequency of light as shown find the work function

Graph between stopping potential and frequency of photon is given in figure Find out work function of metal:

Figure is the plot of the stopping potential versus the frequency of the light used in an experiment on photoelectric effect. Find (a) the ratio h/e and (b) the work function.

In an experiment on photo electric emission, following observations were made, (i) Wavelength of the incident light =1.98xx10^(-7)m , (ii) Stopping potential =2.5 "volt" . Find: (a) Kinetic energy of photoelectrons with maximum speed. (b) Work function and (c )Threshold frequency,

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

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.

The following figure shows a graph for the stopping potential as a function of the frequency of incident light illuminating a metal surface. Find the photoelectric work function for this surface.

Assertion : The stopping potential depends on the frequency of incident light. Reason : The stopping potential is related to maximum kinetic energy by eV_(0)=K_(max) .

In an experiment on photoelectric effect the frequency f of the incident light is plotted against the stopping potential V_(0) . The work function of the photoelectric surface is given by ( e is the electronic charge)