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प्रश्न
Fill in the blank
The brightness of light is measured in ...................
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उत्तर
The brightness of light is measured in candle power.
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संबंधित प्रश्न
Can light travel in vacuum?
Write true or false of the following statement.
The moon is a natural source of light.
Write true or false of the following statement.
The moon is self-luminous.
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.
Substance which don’t allow light to pass through them,
Fill in the blank
Speed of light in vacuum is .................
________ objects allow all the light to pass through them.
_______ is the natural source that stimulates sight and makes things visible.
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.
