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प्रश्न
Explain the difference between a transparent, a translucent, and an opaque medium. Give two examples of each.
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उत्तर
1. Transparent objects: Those objects through which light can pass easily are called transparent objects. e.g. Water, glass, air.
2. Translucent object: The object through which light can pass partially are called translucent object, e.g. tracing paper, waxed paper.
3. Opaque object: The objects which do not allow the light to pass through are called opaque objects, e.g. wood.
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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.
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Name any four man made sources of light.
From among the following objects, list out the opaque, translucent, and transparent bodies in the space provided below:
A glass strip, an ordinary paper, greased paper, tracing paper, polythene sheet, wooden piece, steel plate, glycerine, kerosene oil, mustard oil, grounded glass, stone, book, water, and milk.
Opaque Transparent Translucent
Tick the correct answer.
Light is a font of
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Light consists of .............. colours.
Answer the following.
List four natural sources of light.
Write about two everyday situations that tell you that light travels in a straight line.
If VB, VG, VR be the velocity of blue, green, and red light respectively in a glass prism, then which of the following statement gives the correct relation?
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.
