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प्रश्न
Write true or false of the following statement.
The moon is a natural source of light.
पर्याय
True
False
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उत्तर
False
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संबंधित प्रश्न
Fill in the blank.
A medium which allows light to pass through it easily is called the ...................
Select the correct alternative.
The natural source of light is
Why do objects in a room become visible even if sunlight does not enter it?
Does the flame of a gas stove emit light?
Tick the correct answer.
Light causes
Answer the following.
Write down five man-made sources of light.
Write whether of the following objects are luminous or non-luminous.
| Object | Luminous/Non-luminous |
| A book | |
| A burning candle | |
| A wax cloth | |
| A pencil | |
| A pen | |
| A light bulb | |
| A tyre | |
| A torch |
Mirrors change the direction of light that fall on them.
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?
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?
