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प्रश्न
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 |
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उत्तर
| Object | Luminous/Non-luminous |
| A book | Non-luminous |
| A burning candle | Luminous |
| A wax cloth | Non-luminous |
| A pencil | Non-luminous |
| A pen | Non-luminous |
| A light bulb | Luminous |
| A tyre | Non-luminous |
| A torch | Luminous |
संबंधित प्रश्न
How do we see objects around us ?
Write true or false of the following statement.
The moon is a natural source of light.
Select the correct alternative.
The luminous body is
Fill in the blank
There are ........... and man-made ............ of light.
Answer the following.
List four natural sources of light.
Answer the following.
Write down five man-made sources of light.
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.
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?
