Question

1.A ray of light fall normally on a plane mirror the angle of incidence is?

2. The thermal expansion in which all sides of the body expands is known as?

3. Cyna - Blue= ?​

Answer 1

Answer:

1) the angle of incidence is 180°

2)area expansion

3)sorry I couldn't understand this question

pls mark me as BRAINLIEST

Answer 2

$\huge\underline\mathfrak\purple{Bts}$

1. 180°
2. Thermal expansion of solids
3. Zizula Cyna