Question

plzz tell the answers.. it's very urgent... no scam​

Answer 1

Answer:

1.a Medium A

B.When the angle of incidence is 0 degree, the light ray travels parallel to another medium or perpendicular to the normal plane. The ray does not reflect or refract. So it has no deviation and does not change its direction

2.because of refraction of light

Answer 2

Answer:

hello

dear kise ho aap .

Explanation:

kuch to reply dena please