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

Explain about atoms, Explain about Atoms Atoms - having of a nucleus (c...

Explain about Atoms Atoms - having of a nucleus (central core) and orbiting electrons.  Nucleus have protons (+ particles) and neutrons (neutral particles).  Neutral atoms have

Searle''s apparatus, why metallic frame used in searles apparatus

why metallic frame used in searles apparatus

Examples of like and unlike parallel forces, what are the examples of like ...

what are the examples of like and unlike parallel forces?

Differentiate between displacement and conduction current, Differentiate be...

Differentiate between displacement current and conduction current.

Electromagnitism, a rectangular box with edges located at (0,0,0); (a,0,0);...

a rectangular box with edges located at (0,0,0); (a,0,0); (0,b,0) and (0,0,c) is half-filled from z=0 up to z=c/2 with a dielectric with constsnt e. the top half is empty. the cove

Find the tension must this wire be stretched, A steel wire in a piano has a...

A steel wire in a piano has a length of 0.6000 m and a mass of 3.600   10 -3  kg. To what tension must this wire be stretched in order that the fundamental vibration correspond to

What are multistranded fibers, What are multistranded fibers? Multistra...

What are multistranded fibers? Multistranded optics is narrow walled tubes of transparent material that housing a number of smaller solid core fibers. These inner fibers are, u

What is the magnitude & direction of the velocity of package, A helicopter ...

A helicopter is ascending vertically with a constant speed of 6 meters per second relative to the ground.  At the instant the helicopter is 60 meters above the ground it releases a

Why in inelastic collisions angle of momentum is conserved?, Mass of the sy...

Mass of the system is same. since, p=mv momentum remains same

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