Question

b. Which of the following is Not a planet of the solar system?
a) Sirius
b) Mercury
c) Earth
c. Angle of incidence is equal to the angle of reflection.
a) always
b) Sometimes c) Never
pls guys give ans soon i need to write exam​

Answer 1

Answer:

sirus

always angle of incidence is equal to the angle of reflection

Answer 2

Answer:

b. a) Sirius

c. a) always

When light is reflected from a surface, the angle of incidence is always equal to the angle of reflection