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प्रश्न
Write true or false of the following statement.
We can see an object through an opaque medium.
विकल्प
True
False
उत्तर
False
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संबंधित प्रश्न
Write true or false of the following statement.
The moon is a natural source of light.
Why do objects in a room become visible even if sunlight does not enter it?
Fill in the blank
There are ........... and man-made ............ of light.
Answer the following.
List two transparent objects.
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 |
Choose the translucent substance from the following
When a beam of white light passes through a prism it gets ______.
What happens to light when it gets dispersed? Give an example.
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?
