PHYSICS

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