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प्रश्न
How will you explain the statement 'we cannot see the objects in a dark room'?
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उत्तर
Light enables us to see objects around us. We see an object when light falls on it and gets reflected from its surface and enters our eyes. In a dark room, there is no source of light. Thus, no light falls on the surface of objects, and hence we do not see them. This is why we cannot see the objects in a dark room.
संबंधित प्रश्न
Fill in the blank
A plane mirror _________ reflects 100 percent light falling on it.
Select the correct alternative
The image formed by a plane mirror is
What do you mean by reflection of light?
Explain the following term:
Angle of reflection. Draw diagram/diagrams to show them.
A light ray is incident normally on a plane mirror. (a) What is its angle of incidence?
Compare the characteristics of an image formed by a convex mirror and a concave mirror, when object is beyond center of curvature, but not at infinity.
State the direction of incident ray which after reflection from a spherical mirror retraces its path. Give reason for your answer.
______ through which light can pass completely.
