Menu
  • call
  • chat
  • call
Header Add 1

Header Add 1

Physics Doubts from World of Science
Quick Navigation
QR: IGCSE (Magnetization) - To identify the poles of magnetized material , By: Rifaqat Ali Minhas, Dt: 16/08/15 03:31 PM QR: IGCSE (Light) - Relation between critical angle and total internal reflection, By: Rifaqat Ali Minhas, Dt: 16/08/15 03:10 PM
 
Previous Load Next
Post Your Question
 

Question Reference: Light, n = Sin i / Sin r OR n = Sinr / Sin i


Question:

How we have to decide, that which formula we have to use for refractive index either

n = Sin i / Sin r 

OR 

n = Sinr / Sin i

Submited By:Rifaqat Ali Minhas On:15/08/15 07:35 PM
Solution:

-

How we have to decide, that which formula we have to use for refractive index either

n = Sin i / Sin r 

OR 

n = Sinr / Sin i

 
Add Comment | FAQs | Submit | Report Error| | Share on Twitter
View Comments on this Physics problems Article- Total Comments (1)
 
A student Said :
They are used to construct the electrical motors and the generators which convert the electrical energy into mechanical energy and vice verse. They are also used in the speakers which can convert the electrical energy into sound energy. They are used in the electrical bells. They are used in the Maglev trains. In the Maglev trains, the super conducting magnets are used on the tracks on which the train floats. These types of the trains are working on the repulsion force of the magnets. They are also used to sort out the magnetic and non magnetic substances from the scrap. They are used in TV screens, computer screens, telephones and in tape recorders. They are used by the candy or cold drink vendors to separate the metallic cap from the lots. They are used in cranes. They are used in the refrigerators to keep the door close. The most important use of the magnet is the magnetic compass which is used to find the geographical directions.
 
  18/09/15 09:47 AM
 
 
 
footer 1

   
Footer Add 1

    Footer Add 2

Signup for our Newsletter

About us:

A team of committed professionals providing free online resources of physics for the learners of IGCSE/AS/ A Level .....

footer-image