What is lateral shift?

What is water-gas shift reaction?

What is normal shift?

On what factors lateral shift of a ray on passing through a glass slab depend ?

On what factors lateral shift of a ray on passing through a glass slab depend ?

What is meant by lateral shift ?Explain for a given slab,what is the quantity that determines lateral shift?Obtain the expression for lateral shift for refracion throug a parallel sided glasss slab.

When will lateral shift be maximum or equal to the thickness of the medium?