Class VII

Position of Sun to see a rainbow should be
  1. in front of you
  2. behind you
  3. on the left side
  4. on the right side
Refraction of light is proved by
  1. Law of light
  2. Law of Einstein
  3. Law of Refraction
  4. Law of Thomas
If an object is extremely denser, light
  1. passes through it faster
  2. passes through it slower
  3. leaves it with great angle
  4. never leaves it
We can see things because light
  1. is absorbed by objects
  2. enters our eyes
  3. reflects from our eyes
  4. is colorless
Refractive index of quartz is
  1. 1.54
  2. 1.34
  3. 2.04
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