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प्रश्न
Fill in the blank.
Light travels in a ................. path.
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उत्तर
Light travels in a straight line path.
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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 |
Fill in the blank.
A medium which allows light to pass through it easily is called the ...................
Select the correct alternative.
The natural source of light is
What do we call a substance through which light passes? Give an example of such a substance.
Fill in the blank
Speed of light in vacuum is .................
Answer the following.
List two transparent objects.
A ______ is an artificial source of light.
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.
State Rayleigh’s law of scattering.
Look at the figure given in the following figure.
Will there be any difference in the shadow formed on the screen in A and B.
