Question

S. No.
Angle of incidence ∆i
Angle of reflection
∆r
Difference, if any in degree∆I- ∆r
1.
30°
2.
40°
3.
45°
4.
50°
5.
60°​

Answer 1

Answer:

45 degree I hope thise answer is helpfull plz follow me and thank my answer......