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प्रश्न
Fill in the blank.
The sun is a ............... source of light.
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उत्तर
The sun is a natural source of light.
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संबंधित प्रश्न
Tick the correct answer.
The natural source of light is
Answer the following.
What is meant by luminous intensity? What is one lumen?
Answer the following.
Distinguish between transparent, translucent, and opaque objects.
Answer the following.
List two transparent objects.
Mirrors change the direction of light that fall on them.
Speed of light in air is 3 × 108 m s–1 and the refractive index of a medium is 1.5. Find the speed of light in the medium.
The angle of deviation of light ray in a prism depends on the angle of ______.
Amount of light entering into the eye is controlled by ______.
State Rayleigh’s law of scattering.
Light is a form of energy and it travels in a straight line.
