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प्रश्न
Amount of light entering into the eye is controlled by ______.
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उत्तर
Amount of light entering into the eye is controlled by Iris.
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संबंधित प्रश्न
Write true or false of the following statement.
The moon is self-luminous.
How does light make an object visible?
Explain the difference between a transparent, a translucent, and an opaque medium. Give two examples of each.
Tick the correct answer.
Light is a font of
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Light consists of .............. colours.
Answer the following.
List two transparent objects.
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 |
If the energy of incident beam and the scattered beam is the same, then the scattering of light is called as ______ scattering.
Velocity of light is greater in denser medium than in rarer medium
State whether the following statement is True or False.
An object can be seen only if it emits light
