Question

Three rays P, Q, R of light incident on water air interface at an angle of 45 deg. , 48 deg, and 52 deg respectively. Name the phenomena which rays P, Q and R exhibit.

Answer 1

Answer:

Newton's second law says that when a constant force acts on a massive body, it causes it to accelerate, i.e., to change its velocity, at a constant rate. In the simplest case, a force applied to an object at rest causes it to accelerate in the direction of the force.

Answer 2

Answer:

okkkk

..

..

..

..

..

..

..

..