Class VIII

An instrument which enables us to see distant objects clearly is
  1. microscope
  2. telescope
  3. kaleidoscope
  4. periscope
We can see ourselves in mirror or polished surface but not on walls because the reflection from walls is:
  1. Regular reflection
  2. Normal reflection
  3. Irregular reflection
  4. Specular reflection
Band of colored light which make up white light is called
  1. spectrum of light
  2. band of ligh
  3. rainbow
  4. white light colors
Beam of light can be
  1. straight
  2. divergent
  3. convergent
  4. all of them
Ray which is striking surface is
  1. normal ray
  2. incident ray
  3. reflected ray
  4. all of them
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