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प्रश्न
Fill in the blank
There are ........... and man-made ............ of light.
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उत्तर
There are natural and man-made sources of light.
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संबंधित प्रश्न
Match the following
| (a). A light ray passes from air to glass | (1) . speeds up |
| (b). A light ray passes from glass to water | (2). reflects red light |
| (c). Virtual image | (3). primary colours |
| (d). Red rose | (4). plane mirror |
| (e). Red, green, and blue | (5). slows down |
Fill in the blank.
A medium which allows light to pass through it easily is called the ...................
What is a transparent medium? Give two examples.
Tick the correct answer.
Substance which don’t allow light to pass through them,
Write true or false
The moon has its own light.
Answer the following.
List two transparent objects.
When light passes through a prism, it gets separated into ______ colours.
_______ is the natural source that stimulates sight and makes things visible.
What is light?
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?
