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प्रश्न
Tick the correct answer.
Light is a font of
विकल्प
Work
Energy
Power
None of these
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उत्तर
Energy
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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 |
List two artificial sources of light.
Differentiate between the luminous and non-luminous bodies. Give two examples of each.
Can a transparent medium form an image? Explain your answer.
Tick the correct answer.
The natural source of light is
The sun and ______ are the natural sources of light.
Mirrors change the direction of light that fall on them.
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.
Velocity of light is greater in denser medium than in rarer medium
State whether the following statement is True or False.
An object can be seen only if it emits light
