Photo-emissive cell, Physics

Assignment Help:

It having of an evacuated glass or quartz bulb having anode A and cathode C. The cathode is semi-cylindrical solid on which a thin layer of photo-sensitive material is coated.

699_22.png

 

When light incident on the cathode, it produces photo-electrons which are attracted by the anode. The photo-electrons forms a small current which flows by the external circuit.

 

 


Related Discussions:- Photo-emissive cell

Illustrate the electric field lines of a point charge q, The electric field...

The electric field E because of a point charge at any point near it is explained as where q is the test charge and F is the force acting on it. What is the physical significance of

Evaluate the lowest possible temperature of the water, One way to keep the ...

One way to keep the contents of a garage from becoming too cold on a night when severe subfreezing temperature is forecast is to put a tub of watering the garage. Assume the mass o

The acceleration of a falling ball, The acceleration of a falling ball ...

The acceleration of a falling ball The change in speed per second of a moving body is called the acceleration. When it is constant as in the case of a ball falling under the ac

Camshaft motion, A rod follower AB is subjected to a vertical up and down m...

A rod follower AB is subjected to a vertical up and down movement while resting on a circular contour of radius 30cm of a cam.the cam moves to the right with a velocity of 5 cm/s a

What are basic attenuation mechanisms in a fibre, What are basic attenuatio...

What are basic attenuation mechanisms in a fibre? The fundamental attenuation mechanisms into a fibre are as follows: a. Absorption b. Scattering (Mie and Rayleigh scatte

Explain basic working of interference filter, Q. Explain basic working of I...

Q. Explain basic working of Interference Filter? An interference filter, which reflects one of more spectral lines and transmits others, while maintaining a nearly zero coeffic

Crystallography, explain diffrent phases of liquid crystal

explain diffrent phases of liquid crystal

What is the kinetic energy of the block subsequent, A block of mass m on a ...

A block of mass m on a plane horizontal frictionless surface is pushed up against the end of a horizontal spring the other end of which is connected to a wall therefore that it com

What is fundamental units, The physical value which does not depend on any ...

The physical value which does not depend on any other physical quantity is known as a fundamental physical quantity like length; mass and time are known as fundamental units.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd