Question

A light ray is incident on a flat surface, making an angle of ${30}^{\circ }$ with the surface. What is the angle between the reflected ray and the normal?​

• A. ${60}^{\circ }$
• B. ${90}^{\circ }$
• C. ${30}^{\circ }$

Answer 1

The correct option is A ${60}^{\circ }$

The correct answer is option B - 60 degrees.
The angle made with the surface is given ${30}^{\circ }$ The angle of incidence will be ${60}^{\circ }$.
The angle of incidence is equal to the angle of reflection .i.e ${60}^{\circ }$.