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प्रश्न
Write true or false of the following statement.
A shadow is formed because light travels in a straight-line path.
विकल्प
True
False
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उत्तर
True
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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 a natural source of light.
How does light make an object visible?
What do we call a body that shines on its own?
Fill in the blank
There are ........... and man-made ............ of light.
Write true or false
The moon has its own light.
Write true or false
The stars have no light.
When light passes through a prism, it gets separated into ______ colours.
Boojho made light from a laser torch fall on a prism. Will he be able to observe a band of seven colours? Explain with a reason.
Observe the picture given in the following figure carefully.
A patch of light is obtained at B, when the torch is lighted as shown. Which of the following is kept at position A to get this patch of light?
