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प्रश्न
Fill in the blank
The brightness of light is measured in ...................
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उत्तर
The brightness of light is measured in candle power.
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संबंधित प्रश्न
What do we call an electric bulb producing light?
What do you understand by candle power?
Answer the following.
What is light?
Match the following.
| Group A | Group B |
| (a) Mirror | (1) Non-luminous |
| (b) Firefly | (2) Inverted image |
| (c) Pinhole camera | (3) Reflection |
| (d) Moon | (4) Luminous |
Sunlight is a blend of______ colors
When a beam of white light passes through a prism it gets ______.
Amount of light entering into the eye is controlled by ______.
List any five properties of light.
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
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.
