Lights of two different frequencies whos...

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

`1 : 4`

`1 : 2`

`1 : 1`

`1 : 5`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

DAILY PRACTICE PROBLEM
RESONANCE|Exercise DPP No.18|9 Videos
DAILY PRACTICE PROBLEM
RESONANCE|Exercise DPP No.19|20 Videos
DAILY PRACTICE PROBLEM
RESONANCE|Exercise DPP No.16|9 Videos
CURRENT ELECTRICITY
RESONANCE|Exercise High Level Problems (HIP)|21 Videos
ELECTRO MAGNETIC WAVES
RESONANCE|Exercise Exercise 3|27 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

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:

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

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 :-

The radiations of 1 eV and 2.5 eV are incident on a metal having a work function of 0.5 eV . The ratio of their maximum velocities 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 differenct photons of energies, 1 eV and 2.5 eV, fall on two identical metal plates having work function 0.5 eV, Then the ratio of maximum KE of the electrons emitted from the two surface 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

RESONANCE-DAILY PRACTICE PROBLEM-DPP No.17

Lights of two different frequencies whose photons have energies 1 and ...
Text Solution
|
An electron in the hydrogen atom jumps from excited state n to the gro...
Text Solution
|
An electron of mass m and a photon have same energy E. The ratio of de...
Text Solution
|
A particle of mass m is projected form ground with velocity u making a...
Text Solution
|
A homogeneous ball (mass=m) of ideal black material at rest is illumin...
Text Solution
|
An orbit electron in the ground state of hydrogen has an angular momen...
Text Solution
|
When a metallic surface is illuminated with monochromatic light of wav...
Text Solution
|
A photosensitive metallic surface has work function , h v(0). If photo...
Text Solution
|
A source S(1) is producing 10^(15) photons/s of wavelength 5000 Å Anot...
Text Solution
|
What will be the ratio of de - Broglie wavelengths of proton and alpha...
Text Solution
|
Two electrons starting from rest are accelerated by equal potential di...
Text Solution
|
Two photons having
Text Solution
|
After absorbing a slowly moving neutrons of mass m(N) (momentum ~0) a...
Text Solution
|
Two particles move with constant velocities towards point O along stra...
Text Solution
|
A simple telescope, consisting of an objective of focal length 60 cm a...
Text Solution
|
A particle when projected in vertical plane moves along smooth surface...
Text Solution
|
A body released from a great height, falls freely towards the earth. A...
Text Solution
|
A system is shown in the figure. Block A is moving with 1m//s towards ...
Text Solution
|
Two graphs of the same projectile motion (in the xy-plane) projected f...
Text Solution
|
The potential energy of a partical varies as . U(x) = E0 for 0 le x...
Text Solution
|