Question

1 An incident ray is reflected at ts 45 degree from surface of incidence, write the incident angle.​

Answer 1

Answer:

45

Explanation:

According to laws of reflection, angle of incidence = angle of reflection

Here given that angle of reflection = 45

Therefore angle of incidence = 45

Answer 2

Since the ray is reflected at an angle of 45° with the surface

∴ angle made by reflected ray with normal = 90° - 45° = 45°

∴ Angke of reflection = 45°

From 1st law of reflection

Angle of incidence = angle of reflection

= 45°