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प्रश्न
Why do objects in a room become visible even if sunlight does not enter it?
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उत्तर
When the light falls on an object, it scatters even if the sunlight does not enter a room. due to scattered light., the object becomes visible.
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संबंधित प्रश्न
Fill in the blank.
Light travels in a ................. path.
Select the correct alternative.
The luminous body is
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Can a transparent medium form an image? Explain your answer.
Tick the correct answer.
Substance which don’t allow light to pass through them,
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The brightness of light is measured in ...................
Answer the following.
What is meant by luminous intensity? What is one lumen?
A ______ is an artificial source of light.
In going from a rarer to denser medium, the ray of light bends ______.
Using a pinhole camera a student observes the image of two of his friends, standing in sunlight, wearing yellow and red shirt respectively. What will be the colours of the shirts in the image?
