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Question
Explain how to read the following message which was found on some blotting paper:
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Solution
Place a plane mirror in front of the message and see the image of the message. The mirror now reads as 'meet me at midnight'. The phenomenon of lateral inversion is used here..
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State whether the following statement is true of false:
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State the uses of plane mirrors.
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Fill in the following blank with suitable word:
Light bends when is passes from water into air. We say that it is ............
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(a) 0°
(b) 45°
(c) 90°
(d) 120°
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The bottom of swimming pool appears to be less deep than the actual one because of
When a ray of light travels normal to the given surface, then the angle of refraction is ______.
