A metal surface of work function 1.07 eV...

A metal surface of work function `1.07 eV` is irradiated with light of wavelength `332 nm`. The retarding potential required to stop the escape of photo - electrons is

Text Solution

Verified by Experts

The correct Answer is:

2.65 volt

`E=phi+eV_s`

Topper's Solved these Questions

DUAL NATURE OF RADIATION AND MATTER
AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION A. Objective (Only one answer)|50 Videos
DUAL NATURE OF RADIATION AND MATTER
AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION B.Objective (Only one answer)|6 Videos
DUAL NATURE OF RADIATION AND MATTER
AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-D)|10 Videos
CURRENT ELECTRICITY
AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION-J|10 Videos
ELECTRIC CHARGES AND FIELDS
AAKASH INSTITUTE|Exercise SECTION -J(Aakash Challengers Questions)|5 Videos

Similar Questions

Explore conceptually related problems

Find the retarding potential required to stop electron of the de Broglie wavelength 0.5 nm

The work function of a metallic surface is 5.01 eV. The photoelectrons are emitted when light of wavelength 2000A falls on it. The potential difference applied to stop the fastest photoelectrons is

The work function of a metallic surface is 5.01 eV . The photo - electrons are emitted when light of wavelength 2000 Å falls on it . The potential difference applied to stop the fastest photo - electrons is [ h = 4.14 xx 10^(-15) eV sec]

When a metal surface is illuminated by a monochromatic light of wave-length lambda , then the potential difference required to stop the ejection of electrons is 3V . When the same surface is illuminated by the light of wavelength 2lambda , then the potential difference required to stop the ejection of electrons is V . Then for photoelectric effect, the threshold wavelength for the metal surface will be

Electrons with maximum kinetic energy 3eV are ejected from a metla surface by ultraviolet radiation of wavelength 1500Å . Determine the work function of the metal, the threshold wavelength of metal and the stopping potential difference required to stoop the emission of electrons.

The work function of metal is 1 eV . Light of wavelength 3000 Å is incident on this metal surface . The velocity of emitted photo - electrons will be

A sodium (Na) surface is illuminated with light of wavelength 300 nm . The work function for Na metal is 2.46eV . The kinetic enegry of the ejected photoelectrons is

The work function of a metal is 4.0 eV . If the metal is irradiated with radiation of wavelength 200 nm, then the maximum kinetic energy of the photoelectrons would be about.

The surface of a metal is illuminated with light of wavelength 400 nm. The kinetic energy of the ejected photoelectrons was found to be 1.68 eV. What is the work function of the metal ? [ hC=1240 eV*nm ]

The stopping potential for the photo-electrons emitted from a metal surface of work-function 1.7 eV is 10.4 eV. Find the wavelength of the radiation used. Also identify the energy-levels in hydrogen atom which will emit this wavelength.

AAKASH INSTITUTE-DUAL NATURE OF RADIATION AND MATTER -Try Yourself

If we express the energy of a photon in KeV and the wavelength in angs...
Text Solution
|
There are n(1) photons of frequency gamma(1) in a beam of light . In a...
Text Solution
|
A metal surface of work function 1.07 eV is irradiated with light of w...
Text Solution
|
The work function of a metal is 4.2 eV , its threshold wavelength will...
Text Solution
|
The work function of metal is 1 eV. Light of wavelength 3000 Å is inc...
Text Solution
|
When a monochromatic point source of light is at a distance of 0.2 m...
Text Solution
|
For intensity I of a light of wavelength 5000 Å the photoelectron satu...
Text Solution
|
What will be the ratio of de - Broglie wavelengths of proton and alpha...
Text Solution
|
According to de - Broglie , the de - Broglie wavelength for electron i...
Text Solution
|
The de - Broglie wavelength of a particle accelerated with 150 volt "p...
Text Solution
|
The de - Broglie wavelength of a neutron at 27 ^(@) C is lambda. What ...
Text Solution
|
If the kinetic energy of a free electron doubles , its de - Broglie wa...
Text Solution
|
In Davisson-Germer experiment, if the angle of diffraction is 52^(@), ...
Text Solution
|
Find the retarding potential required to stop electron of the de Brogl...
Text Solution
|
Find the ratio of de Broglie wavelength of an alpha -particle and a de...
Text Solution
|
The speed of an electron having a wavelength of 10^(-10) m is
Text Solution
|
The following figure shows a graph for the stopping potential as a fun...
Text Solution
|
What is the threshold wavelength for a cesium surface, for which the w...
Text Solution
|
A beam contains infrared light of a single wavelength, 1000 nm, and mo...
Text Solution
|
The mass of a photon in motion is given its frequency = x)
Text Solution
|