Question

___________ When light rays hit a smooth surface and bounce back at the same angel
Answer chocies:
1. Diffuse reflection
2. Ray
3. reflection
5. Convex
6. Lens
7. Transparent
8. Focal point
9. Concave

5. Convex
6. Lens
7. Transparent
8. Focal point
9. Concave

Answer 1

3. reflection