What is normal shift of light?

What is lateral shift?

What is red shift?

What is normal shift?Explain.Obtain he expression for normal shift .Indicate,how this helps to determine refractie index of a medium.

What is blue shift? Sodium light of wavelength 589.0overset(@)A travelling from a galaxy is observed to be 589.6overset(@)A . What is the speed of the galaxy?

Explain what is red shift and blue shift of light wave.

What will be the lateral shift for a normal incidence of light on a glass slab?

What is Doppler effect in light? Write the expression for Doppler shift.