Question

Please help me with this!​

Answer 1

Answer:

option number is 120 degree

please mark brilliant

Answer 2

Answer:

Let

angle of incidence = i

and

angle of reflection = r

By Laws of Reflection

i = r

Therefore...

i + r =60               (given)

=> 2i = 60

=> i = 30

and r = 30

therefore...

i - r = 30 - 30 = 0

So... option C is correct

hope it helps u!!!

pls mark me as Brainlist!!!