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प्रश्न
Write true or false of the following statement.
A shadow is formed because light travels in a straight-line path.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Can light travel in vacuum?
Write true or false of the following statement.
Light travels in a straight-line path.
Fill in the blank
A medium through which light cannot pass is called the ....................
Differentiate between the luminous and non-luminous bodies. Give two examples of each.
Write true or false
The earth has its own light.
Answer the following.
Differentiate between luminous and non-Luminous objects.
A ______ is a natural source of light.
Match the following.
| Group A | Group B |
| (a) Mirror | (1) Non-luminous |
| (b) Firefly | (2) Inverted image |
| (c) Pinhole camera | (3) Reflection |
| (d) Moon | (4) Luminous |
What is light?
Observe the picture given in the following figure carefully.
A patch of light is obtained at B, when the torch is lighted as shown. Which of the following is kept at position A to get this patch of light?
