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प्रश्न
Is the moon a luminous object?
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उत्तर
Moon is not a luminous body, it is a non-luminous body. It has no light of its own.
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संबंधित प्रश्न
Fill in the blank.
Moon is a .................. body.
Match the following columns
| Column A | Column B |
| a. Wooden block | i. new moon's day |
| b. Sun | ii. rectilinear propagation of light |
| c. Umbra | iii. opaque body |
| d. Eclipse | iv. luminous body |
| e. Solar eclipse | v. complete dark park |
Tick the correct answer.
The natural source of light is
Fill in the blank
Speed of light in vacuum is .................
Answer the following.
List four natural sources of light.
A ______ is an artificial source of light.
Describe the pictures.
State whether true or false. If false, correct the statement.
If a ray of light passes obliquely from one medium to another, it does not suffer any deviation.
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.
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?
