Light of two different frequencies whose...

Light of two different frequencies whose photons have energies 1eV and 2.5 eV respectively illuminate a metallic surface whose work function is 0.5 eV successively. Ratio of maximum kinetic energy of emitted electrons will be:

`1:4`

`1:2`

`1:1`

`1:5`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

NTA NEET SET 78
NTA MOCK TESTS|Exercise PHYSICS|45 Videos
NTA NEET SET 83
NTA MOCK TESTS|Exercise PHYSICS|44 Videos

Similar Questions

Explore conceptually related problems

Lights of two different frequencies whose photons have energies 1 eV and 2.5 eV respectively illuminate successively a metal surface whose work function is 0.6 eV. The ratio of the maximum speeds of the emitted electrons will have

Lights of two different frequencies whose photons have energies 1 and 2.5 eV, respectively, successively illuminate a metal whose work function is 0.5 eV. The ratio of the maximum speeds of the emitted electrons

Two radiations of photons energies 1 eV and 2.5 eV, successively illuminate a photosensitive metallic surface of work function 0.5 eV. The ratio of the maximum speeds of the emitted electrons is

Photons of energy 1.5 eV and 2.5 eV are incident on a metal surface of work function 0.5 eV. What is the ratio of the maximum kinetic energy of the photoelectrons ?

Two radiation of photons energy 3eV and 4.5 eV successively illuminate a photosensitive metallic surface of work function 2.5 eV the ratio of the maximum speeds of the emitted electrons is :-

Photons of energy 6 eV are incident on a metal surface whose work function is 4 eV . The minimum kinetic energy of the emitted photo - electrons will be

Light of wavelength 3000Å is incident on a metal surface whose work function is 1 eV. The maximum velocity of emitted photoelectron will be

When photon of energy 3.8 eV falls on metallic suface of work function 2.8 eV , then the kinetic energy of emitted electrons are

NTA MOCK TESTS-NTA NEET SET 82-PHYSICS

A sample of {:(131),( 53):} I, as iodine ion, was administered to a pa...
Text Solution
|
A particle of mass m is executing osciallations about the origin on th...
Text Solution
|
The displacement x(in metres) of a particle performing simple harmonic...
Text Solution
|
Ultraviolet light of 6.2 eV falls on an aluminium surface (work functi...
Text Solution
|
Light of two different frequencies whose photons have energies 1eV and...
Text Solution
|
The rate of steady volume flow of water through of capillary tube of l...
Text Solution
|
A given quantity of a ideal gas is at pressure P and absolute tempera...
Text Solution
|
A slab of glass of refractive index 1.5 and thickness 3cm is placed wi...
Text Solution
|
Two convex lenses of focal lengths 0.3m and 0.05m are used to make a t...
Text Solution
|
When a celling fan is switched off, its angular velocity falls to half...
Text Solution
|
A thin horizontal circular disc is roating about a vertical axis passi...
Text Solution
|
In an n-p-n transistor, the collector current is 10 mA. If 90% of the ...
Text Solution
|
When LED is forward biased, then
Text Solution
|
The end of two rods of different materials with their thermal conducti...
Text Solution
|
The square root of the product of inductance and capacitance has the d...
Text Solution
|
The central fringe shifts to the position of fifth bright fringe, if a...
Text Solution
|
A linear aperture whose width is 0.02cm is placed immediately in front...
Text Solution
|
Displacement - time graphs for two waves, wave - 1 and wave - 2 are sh...
Text Solution
|
An open pipe is suddenly closed at one end with the result that the fr...
Text Solution
|
Power supplied to a particle of mass 4 kg varies with time as P=(3t^(2...
Text Solution
|