Explain how do you find the refractive index of a liquid by using total internal reflection?
What is the difference between diffraction and interference?
What is the ray of light?
What are rectifiers used for?
Tell me how many neutrons and how many protons are present in a single deuterium nucleus?
Mercury is a better barometric fluid than water because?
What is periodic wave?
What is the rectilinear propagation of light?
What is transverse wave motion?
Explain the difference between free electron theory and band theory of solids?
How do you magnetize metal?
What is frequncy?
The velocity of sound in gas depends upon what?
What are the characteristics of a musical sound?
Explain the parallel force?