Study

Light and Shadows

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  • Shadows are not formed in the absence of a ______
    Light source
  • The two types of luminous objects can be:
    Natural and Artificial
  • Butter paper is an example of an _________object.
    Translucent object
  • When the path of light gets obstructed, this is formed___________
    Shadow
  • Shadows are formed only if the light falls on these 2 types of objects:
    Opaque or translucent
  • Water is an example of _________ object.
    Transparent
  • These objects do not allow any light to pass through them
    Opaque
  • The sources of Light can be listed under these two types
    Luminous and Non-Luminous
  • When the path of light is obstructed by a heavenly body it is called an ________
    Eclipse
  • This is the biggest natural luminous heavenly body in our universe
    Sun
  • These objects allow some light to pass through them
    Translucent
  • Moon shines bright at night yet it’s considered to be a non-luminous object. What may be the reason for it?
    It is because it shines with the light of sun, it does not have any light of its own. It reflects the light of sain falling on it.
  • Light travels in a straight line, can it’s path be diverted?
    Yes
  • The light always travels in a ________ line.
    straight
  • Looking Mirror is an example of ________ object.
    Opaque
  • These objects allow all light to pass through them
    Transparent
  • On the basis of passage of light there are 3 types of objects
    Transparent, translucent and opaque