Class VIII

Kind of shadow depends on size and position of
  1. object
  2. light source
  3. both a and b
  4. sun
When light falls on an object it can be
  1. reflected
  2. transmitted
  3. absorbed
  4. all of them
In case of extended source of light shadow is mostly composed of darker region called
  1. umbra
  2. penumbra
  3. screen
  4. source
Change in a direction or bending of light when it is travelling from one transparent medium to another medium is called
  1. reflection
  2. refraction
  3. transmission
  4. incident
Cyan, yellow and magenta are
  1. primary colors
  2. white colors
  3. tertiary colors
  4. secondary colors
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