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प्रश्न
In going from a rarer to denser medium, the ray of light bends ______.
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उत्तर
In going from a rarer to denser medium, the ray of light bends towards normal
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संबंधित प्रश्न
Match the following
| (a). A light ray passes from air to glass | (1) . speeds up |
| (b). A light ray passes from glass to water | (2). reflects red light |
| (c). Virtual image | (3). primary colours |
| (d). Red rose | (4). plane mirror |
| (e). Red, green, and blue | (5). slows down |
Write true or false of the following statement.
The moon is self-luminous.
Fill in the blank.
Light gives us the sensation of ................
Name two natural sources of light.
Tick the correct answer.
Light is a font of
Tick the correct answer
Glass is
Fill in the blank
The brightness of light is measured in ...................
Answer the following.
Distinguish between transparent, translucent, and opaque objects.
a) Draw ray diagrams to show how the image is formed using a concave mirror, when the position of object is:
- at C
- between C and F
- between F and P of the mirror.
b) Mention the position and nature of image in each case.
Why are traffic signals red in colour?
