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प्रश्न
What is a transparent medium? Give two examples.
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उत्तर
A medium that allows the passage of light through it easily is called a transparent medium.
Examples: glass, air, water, etc.
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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 |
What do we call a substance through which light passes? Give an example of such a substance.
Why do objects in a room become visible even if sunlight does not enter it?
Tick the correct answer.
A tube light is a
Tick the correct answer.
Substance which don’t allow light to pass through them,
Write whether of the following objects are luminous or non-luminous.
| Object | Luminous/Non-luminous |
| A book | |
| A burning candle | |
| A wax cloth | |
| A pencil | |
| A pen | |
| A light bulb | |
| A tyre | |
| A torch |
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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?
List any five properties of light.
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.
