Question

QUESTION
SUMMARY
1
21. A ray of light travelling in the direction }(î+ 13 ) is incident on a plane mirror.
After reflection, it travels along the direction - (î - 13 h). The angle of incidence is
)
1) 30°
2) 45°
3) 60°
4) 75°​

Answer 1

Answer:

1 answer

A ray of light travelling in the direction 12(î + √(3)ĵ) is incident on a plane mirror. After reflection, it travels along the direction 12(î - √(3)ĵ) ...