The threshold frequency for a metallic s...

The threshold frequency for a metallic surface corresponds to an energy of 6.2 eV and the stopping potential for a radiation incident on this surfance is 5 V. The incident radiation lies in

X-ray region

ultra-violet region

infra-red region

visible region

Text Solution

Verified by Experts

The correct Answer is:

`lambda=(1242eVnm)/(11.2)~~1100 B232Å`
Ultraviolet region

Topper's Solved these Questions

ATOMIC PHYSICS
RESONANCE ENGLISH|Exercise Advanved level problems|17 Videos
ATOMIC PHYSICS
RESONANCE ENGLISH|Exercise Exercise-2 Part-III : Comprehension|12 Videos
ALTERNATING CURRENT
RESONANCE ENGLISH|Exercise HIGH LEVEL PROBLEMS|11 Videos
CAPACITANCE
RESONANCE ENGLISH|Exercise High Level Problems|16 Videos

Similar Questions

Explore conceptually related problems

The threshold frequency for a metallic surface corresponds to an energy of 6.2eV and the stopping potential for a radiation incident on this surface is 5 V . The incident radiation lies in

The threshold frequency for a metallic surface correponds to an energy of 6.2 eV , and the stopping potential for a radiation incident on this surface 5 V . The incident radiation lies in

The work function of a material is 5.3 eV and the stopping potential for a radiation incident on this surface is 4.2V. The energy of a quantum of incident radiation is

This question has statement - 1 and statement - 2 of the four choice given after the statements choose the one that best describes the two statements statement - 1 : A metallic surface is irradiated by a monochromatic light of frequency v gt v_(0) (the threshold frequency). The maximum kinetic energy and the stopping potential are K_(max) and V_(0) respectively if the frequency incident on the surface is doubled , both the K_(max) and V_(0) are also doubled statement - 2 : The maximum kinetic energy and the stopping potential of photoelectron emitted from a surface are linearly dependent on the frequency of incident light

The slope of frequency of incident light and stopping potential for a given surface will be

The slope of the graph drawn between stopping potential and frequency of incident radiation will be

The threshold frequency for a certain metal is v_(0) . When a certain radiation of frequency 2v_(0) is incident on this metal surface the maximum velocity of the photoelectrons emitted is 2 xx 10^(6)ms^(-1) . If a radiation of frequency 3v_(0) , is incident on the same metal surface the maximum velocity of the photoelectrons emitted (in m.s^(-1) ) is

If the frequency of incident light is tripled, the stopping potential will

The kinetic energy of photoelectrons emitted by a photosensitive surface depends on the internsity of the incident radiation

RESONANCE ENGLISH-ATOMIC PHYSICS-Exercise -3 part -I JEE (Advanced)

The time taken by a photoelectron to come out after the photon strikes...
Text Solution
|
An alpha nucleus of energy (1)/(2)mv^(2) bomobards a heavy nuclear tar...
Text Solution
|
The threshold frequency for a metallic surface corresponds to an energ...
Text Solution
|
The anode voltage of a photocell is kept fixed. The wavelength lamda o...
Text Solution
|
Photon of frequency v has a momentum associated with it. If c is the v...
Text Solution
|
Which of the following transitions gives photon of maximum energy?
Text Solution
|
suppose an electron is attracted towards the origin by a force k//r, w...
Text Solution
|
The transition from the state n = 4 " to " n = 3 in a hydrogen like at...
Text Solution
|
The surface of a metal is illuminated with the light of 400nm. The kin...
Text Solution
|
Statement-1 : When ultraviolet light is incidient on a photocell, its ...
Text Solution
|
If a source of power 4 kW produces 10^(20) photons/second, the radiati...
Text Solution
|
Energy required for the electron excitation in Li^(++) from the first ...
Text Solution
|
This question has statement - 1 and statement - 2 of the four choice g...
Text Solution
|
After absobing a slowly moving neutron of mass m(N) (mometum ~0), a nu...
Text Solution
|
Hydrogen atom is excited from ground state to another state with prin...
Text Solution
|
A diatomic molecule is made of two masses m(1) and m(2) which are sepa...
Text Solution
|
The anode voltage of a photocell is kept fixed. The wavelength lamda o...
Text Solution
|
In a hydrogen like atom electron makes transition from an energy level...
Text Solution
|
Hydrogen (.(1)H^(1)), Deuterium (.(1)H^(2)), singly ionised Helium (...
Text Solution
|
As an electron makes a transition from an excited state to the ground ...
Text Solution
|