Across
- 2. is bending of light into other medium
- 7. mirror is called converging mirror
- 8. lens has positive focal length
Down
- 1. is a form of energy
- 3. is bouncing back of light in same medium
- 4. is inversely proportional to refractive index
- 5. is half of radius of curvature
- 6. mirror is called diverging mirror
