Based on the changes taken place in rectangular glass slab reflection answer the following question a) light ray travels from rarer to denser medium. b) light ray travels from denser to rarer medium. c) mathematical relationship between emergent ray and refracted ray.

B

b) light ray travels from denser to rarer medium

Explanation:

If the light rays are travelling from one medium to another they change their direction at the boundary between two mediums.

based on the changes taken place in rectangular glass slab reflection

light ray travels from denser to rarer medium

answer; /// the above statement is (true);

what is the speed of a softball that travels 20m in 2secs

speed = 20/2 = 10 m/s