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प्रश्न
Say TRUE or FALSE
We see a book because it reflects the light that falls on its surface
विकल्प
True
False
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उत्तर
We see a book because it reflects the light that falls on its surface- True
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संबंधित प्रश्न
David is observing his image in a plane mirror. The distance between the mirror and his image is 4 m. If he moves 1 m towards the mirror, then the distance between David and his image will be ______.
Fill in the blank
A plane mirror _________ reflects 100 percent light falling on it.
State four characteristics of the image formed by a plane mirror.
Explain the following term:
Angle of incidence. Draw diagram/diagrams to show them.
The diagram in Figure shows a point object P in front of a plane mirror MM1.
(a) Complete the diagram by taking two rays from the point P to show the formation of its image.
(b) In the diagram, mark the position of eye to see the image.
(c) Is the image formed real or virtual? Explain why?
State whether true or false. If false, correct the statement.
The reason for brilliance of diamonds is total internal reflection of light.
Higher Order Thinking Skills.
When a ray of light passes from air into glass, is the angle of refraction greater than or less than the angle of incidence?
A light ray enters from medium A to medium B as shown in Figure 10.2. The refractive index of medium B relative to A will be
The angle of incidence is equal to the angle of reflection for perfect reflection.
