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प्रश्न
Tick the correct answer.
Substance which don’t allow light to pass through them,
पर्याय
Transparent substance
Opaque substance
Translucent substances
Non-luminous substance
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उत्तर
Opaque substance
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संबंधित प्रश्न
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 |
How does light make an object visible?
List two artificial sources of light.
Explain the difference between a transparent, a translucent, and an opaque medium. Give two examples of each.
What do you understand by candle power?
Answer the following.
What is meant by luminous intensity? What is one lumen?
________ objects allow all the light to pass through them.
A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is ______.
If VB, VG, VR be the velocity of blue, green, and red light respectively in a glass prism, then which of the following statement gives the correct relation?
What happens to light when it gets dispersed? Give an example.
