Photoelectric emission is observed from ...

Photoelectric emission is observed from a surface when lights of frequency n_1 and n_2 if the ratio of maximum kinetic energy in two cases are1:K then (Assume n_1>n_2) threshold frequency is

`(K-1)xx(Kn_2-n_1)`

Kn_1-n_2/1-K

K-1/Kn_1-n_2

Kn_2-n_1/K-1

Text Solution

Verified by Experts

Topper's Solved these Questions

BASICS IN CHEMISTRY
PATHFINDER|Exercise QUESTION BANK|26 Videos

Similar Questions

Explore conceptually related problems

The work function for cesium is 1.8 eV. A light of wavelength 5000 Å is incident on it. Calculate (i) maximum kinetic energy of emitted electrons, (ii) threshold frequency and threshold wavelength and (iii) maximum velocity of the emitted electrons

When a certain metal surface is illuminated with light of frequency v, the stopping potential for photoelectric current is V_(0) . When the same surface is illuminated by light of frequency (v)/(2) the stopping potent (V_(0))/(4) . The threshold frequency for photoelectric emission is

If the frequency of a simple harmonic motion be n then find the frequency of its kinetic energy.

The stopping potential for photoelectrons from a metal surface is V_(1) when monochromatic light of frequency v_(1) is incident on it. The stopping potential becomes V_(2) when monochromatic light of another frequency is incident on the same metal surface. If h be the Planck's constant and e be the charge of an electron, then the frequency of light in the second case is

The threshold frequency of a metal is f_(0) . When the light of frequency 2f_(0) is incident on the metal plate, the maximum velocity of electrons is v_(1) . When the frequency of the incident radiation is increased to 5f_(0) , the maximum velocity of electron emitted is v_(2) . Find the ratio of v_(1) to v_(2) .

If a light with frequency 2.0xx10^(16)Hz emitted photoelectrons with double the kinetic energy as are emitted by the light of frequency 1.25xx10^(16)Hz from the same metal surface, calculate the threshold frequency of the metal.

The threshold frequency of photoelectric effect of a metal surface is f_(0) . The maximum kinetic energy of the photoelectron are E_("max") and 2E_("max") respectively, when light waves of frequencies 2f_(0) and nf_(0) are incident on the surface. What is the value of n?

When a radiation of frequency 7.5xx10^(14)Hz strikes a metal surface, the maximum kinetic enegy attained by the emitted electrons is 1.6xx10^(-19)J . Calculate the threshold frequency of the metal.

When light of wavelength lamda and 2 lamda are incident on a metal surface, the stopping potentials are V_(0) and V_(0)//4 respectively. If c be the velocity of light in air, find the threshold frequency of photoelectric emission.

The threshold frequency and the threshold wavelength of photoelectric emission from a metal surface are f_(0) and lamda_(0) . The frequency and the wavelength of incident light are f and lamda . Then

PATHFINDER-ATOMIC STRUCTURE-QUESTION BANK

A photon of wavelength 4x10^-7 m strikes a metal surface work function...
Text Solution
|
A photon of wavelength 4x10^-7 m strikes a metal surface work function...
Text Solution
|
Photoelectric emission is observed from a surface when lights of frequ...
Text Solution
|
The mass of an electron is 9.1x10^-31kg if K.E. is 3xx10^-25J calculat...
Text Solution
|
If radius of 2nd orbit is a ,then de Broglie wavelength in 4th orbit o...
Text Solution
|
A microscope using suitable photons is employed to locate an electron ...
Text Solution
|
A golf ball has a mass of 40g and speed 45 m/s. If the speed can be me...
Text Solution
|
The orbit diagram in which Hund's Rule and Aufbau principle are violat...
Text Solution
|
How many electrons in an atom may have the following quantum numbers? ...
Text Solution
|
How many electrons in an atom may have the following quantum numbers? ...
Text Solution
|
Which electronic configuration is not allowed for either a neutral ato...
Text Solution
|
Which of following species is paramagnetic?
Text Solution
|
The increasing order (lower first)for the values of e/m(charge/mass) f...
Text Solution
|
The triad of nuclei that is isotonic is
Text Solution
|
A I kw radio transmitter operates at a frequency of 880 Hz how many ph...
Text Solution
|
In a measurement of quantum efficiency of photosynthesis in plants it ...
Text Solution
|
The dissociation energy of H2 is 430.53 kj/mole.if H2 is dissociated b...
Text Solution
|
An electron in a hydrogen atom in its ground in its ground state absor...
Text Solution
|
The difference in angular momentum associated with the electron in two...
Text Solution
|
Difference between nth and (n+1)th Bohr's radius of H atom is equal to...
Text Solution
|