Light of wavelength 0.6mum from a sodium...

Light of wavelength `0.6mum` from a sodium lamp falls on a photocell and causes the emission of photoelectrons for which the stopping potential is 0.5V. With light of wavelength `0.4mum` from a murcury vapor lamp, the stopping potential is `1.5V`. Then, the work function [in electron volts] of the photocell surface is

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

MODERN PHYSICS
DC PANDEY|Exercise Metch the column|6 Videos
MAGNETISM AND MATTER
DC PANDEY|Exercise Medical gallery|1 Videos
MODERN PHYSICS - 1
DC PANDEY|Exercise Level 2 Subjective|23 Videos

Similar Questions

Explore conceptually related problems

Light of wavelength 0.6 mum from a sodium lamp falls on a photocell and causes the emission of photoelectrons for which the stopping potential is 0.5 V. With wavelength 0.4 mum from a sodium lamp, the stopping potential is 1.5 V. With this data , the value of h/e is

When a metallic surface is illuminated with monochromatic light of wavelength lambda , the stopping potential is 5 V_0 . When the same surface is illuminated with the light of wavelength 3lambda , the stopping potential is V_0 . Then, the work function of the metallic surface is

When a metallic surface is illuminated with monochromatic light of wavelength lambda , the stopping potential is 5 V_0 . When the same surface is illuminated with light of wavelength 3lambda , the stopping potential is V_0 . Then the work function of the metallic surface is:

When light of wavelength lambda is incident on photosensitive surface, the stopping potential is V. When light of wavelength 3lambda is incident on same surface, the stopping potential is V/6 Thereshould wave length for the surface is

When a metallic surface is illuminated with monochromatic light of wavelength X, the stopping potential is 5Vq. When the same surface is illuminated with light of wavelength 3X, the stopping potential is Then the work function of the metallic surface is

For a photocell, the work function is phi and the stopping potential is V_(s) . The wavelength of the incident radiation is

For intensity I of a light of wavelength 5000 Å the photoelectron saturation current is 0.40 mu A and stopping potential is 1.36 V , the work function of metal is

The photoelectric work function of potassium is 3.0 eV. If light having a wavelength of 2475 Å falls on potassium. Find the stopping potential in volts.

DC PANDEY-MODERN PHYSICS-Integer Type Questions

The ratio between acceleration of the electron in singley ionized heli...
Text Solution
|
If the radius of firs Bohr's orbit is x, then de-Broglie wavelenght of...
Text Solution
|
A H-atom moving with speed v makes a head on collisioon with a H-atom ...
Text Solution
|
The magnetic fieold at the centre of a hydrogen atom due to the motion...
Text Solution
|
when the voltage applied to an X-ray tube increases from V(1) = 10 kV ...
Text Solution
|
Light of wavelength 330nm falling on a piece of metal ejects electrons...
Text Solution
|
Light of wavelength 0.6mum from a sodium lamp falls on a photocell and...
Text Solution
|
An alpha-particle accelerated through V volt is fired towards a nucleu...
Text Solution
|
The kinetic energies of the photoelectrons ejected from a metal surfac...
Text Solution
|
In a hydrogen atom following the Bohr's psotulates the product of line...
Text Solution
|
A target element A is bombarded with electrons and the wavelengths of ...
Text Solution
|
A moving hydrogen atom makes a head on collision with a stationary hy...
Text Solution
|
A radioactive sample contains two different types of radioactive nucle...
Text Solution
|
A overset(lambda)rarr B overset(2 lambda)rarr C T=0 ,N(0) , 0 , T...
Text Solution
|
In a photeclectric experiment , when electromegnetic wave given by E=E...
Text Solution
|
Nuclei X and Y convert into a stable nucleus Z. At t=0 , the number o...
Text Solution
|
Single electron is orbiting in n^(th)orbit of hydrogen atom. The magne...
Text Solution
|