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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 |
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उत्तर
| (a). A light ray passes from air to glass | (5). slows down |
| (b). A light ray passes from glass to water | (1) . speeds up |
| (c). Virtual image | (4). plane mirror |
| (d). Red rose | (2). reflects red light |
| (e). Red, green, and blue | (3). primary colours |
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संबंधित प्रश्न
Write true or false of the following statement.
The moon is self-luminous.
Write true or false of the following statement.
We can see an object through an opaque medium.
Fill in the blank
A medium through which light cannot pass is called the ....................
Name two natural sources of light.
Does the flame of a gas stove emit light?
Fill in the blank
Light consists of .............. colours.
Describe the pictures.
When a beam of white light passes through a prism it gets ______.
The path of the light is called as ______.
Boojho and Paheli were given one mirror each by their teacher. Boojho found his image to be erect and of the same size whereas Paheli found her image erect and smaller in size. This means that the mirrors of Boojho and Paheli are, respectively
