Angle of incidence of wave
A. 1 and 2 are correct
B. 1 and 3 are correct
C. All the three are correct
D. 2 and 3 are correct
Answer:A
Angle of incidence of wave
A. 1 and 2 are correct B. 1 and 3 are correct C. All the three are correct D. 2 and 3 are correct