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प्रश्न
Tick the correct answer.
The natural source of light is
पर्याय
Sun
Electric lamp
Candle flame
Kerosene lamp
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उत्तर
Sun
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संबंधित प्रश्न
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 ....................
Fill in the blank
Speed of light in vacuum is .................
Answer the following.
Write down five man-made sources of light.
When a ______ object comes in the way of light, light passes ______ it.
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 |
Choose the translucent substance from the following
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.
Boojho made light from a laser torch fall on a prism. Will he be able to observe a band of seven colours? Explain with a reason.
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?
