Maximum velocity of photoelectrons emitt...

Maximum velocity of photoelectrons emitted by a metal surface is `1.2xx10^(6)m//s`. Assuming the specific charge of the electrons to be `1.8xx10^(11)C//kg` the value of stopping potential in volt will be:

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

ELECTRONS AND PHOTONS
TARGET PUBLICATION|Exercise Evaluation Test|19 Videos
ELECTRONS AND PHOTONS
TARGET PUBLICATION|Exercise Critical thinking|22 Videos
COMMUNICATION SYSTEMS
TARGET PUBLICATION|Exercise Evaluation Test|15 Videos
FORCE
TARGET PUBLICATION|Exercise Evaluation Test|16 Videos

Similar Questions

Explore conceptually related problems

Maximum velocity of the photoelectron emitted by a metal surface is 1.2 xx10^(6) m s^(-1) . Assuming the specific change of the electrons to be 1.8 xx10^(11) C kg ^(-1) kg the value of the stopping potential in volt will be

Maximum velocity of photo electrons is 3.5 xx 10^(6) m//s . If the specific charge of an electron is 1.75 xx 10^(11) C/kg, stopping potential of the electron is

The maximum velocity of photoelectronos emitted hy a photoemitter is 1.8 xx 10^(6) m//sec . Taking e//m = 1.8 xx 10^(11) C/kg for electrons, the stopping potential of the emitter is:

If the electronic charge e=1.6xx10^(-19)C and the specific charge e/m off electron is 1.76xx10^(11)C(kg)^(-1) then calculate the mass m of the electron.

Electrons move at right angles to a magnetic field of 1.5xx10^(-2) Tesla with a speed of 6xx10^(7)m//s . If the specific charge of the electron is 1.7xx10^(11)C//kg . The radius of the circular path will be

The specific charge of a proton is 9.6xx10^(7)"C kg"^(-1) . The specific charge of an alpha particle will be

The Velocity of electrons accelerated bt potential difference of 1xx10^(4) V (the charge of the electron is 1.6xx10^(-19) C and mass is 9.11xx10^(-31) kg) is

If maximum velocity with which an electron can be emitted from a photo cell is 4 xx 10^(8) cm//sec , the stopping potential is (mass of electron = 9 xx -31 kg )

Maximum velocity of photoelectron emitted is 4.8 ms^(-1) . If e/m ratio of electron is 1.76xx10^(11)Ckg^(-1) , then stopping potential is given by

TARGET PUBLICATION-ELECTRONS AND PHOTONS-Competitive Thinking

Lights of two different frequencies whose photons have energies 1 and ...
Text Solution
|
When the light of frequency 2 v(0) (where v(0) is threshold frequency)...
Text Solution
|
Maximum velocity of photoelectrons emitted by a metal surface is 1.2xx...
Text Solution
|
The cathode of a photoelectric cell is changed such that the work func...
Text Solution
|
The threshold frequency of a certain metal is 3.3xx10^(14)Hz. If light...
Text Solution
|
When monochromatic light of wavelength lambda is incident on a metal...
Text Solution
|
When light of wavelength lambda is incident on photosensitive surface,...
Text Solution
|
When a metallic surface is illuminated with radiation of wavelength la...
Text Solution
|
If 5% of the energy supplied to a bulb is irradiated as visible light,...
Text Solution
|
Monochromatic radiation emitted when electron on hydrogen atom jumps f...
Text Solution
|
When light of 2.5 eV falls on a metal surface, maximum kinetic energy ...
Text Solution
|
On a photosensitive material, when frequency of incident radiation ...
Text Solution
|
Photons with energy 5 eV are incident on a cathode C in a photoelectri...
Text Solution
|
When photons of energy hv fall on an aluminium plate (of work function...
Text Solution
|
Assuming photoemission to take place , the factor by which the maximum...
Text Solution
|
For photoelectric emission from certain metal the cut - off frequency ...
Text Solution
|
Radiation of wavelength lambda in indent on a photocell . The fastest ...
Text Solution
|
The photoelectric threshold wavelength of silver is 3250 xx 10^(-10) m...
Text Solution
|
When light of frequency v1 incident on a metal with work function W0 (...
Text Solution
|
When light falls on a metal surface , the maximum kinetic energy of th...
Text Solution
|