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प्रश्न
Answer the following.
What is light?
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उत्तर
Light is a form of Energy i.e. The external physical cause that affects our eye to produce the sensation of vision.
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संबंधित प्रश्न
Fill in the blank.
Light travels in a ................. path.
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 |
Write the names of some transparent objects.
Tick the correct answer.
Light causes
Tick the correct answer.
The natural source of light is
Tick the correct answer
Glass is
Answer the following.
List four natural sources of light.
The angle of deviation of light ray in a prism depends on the angle of ______.
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?
