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प्रश्न
Write the names of some transparent objects.
एक शब्द/वाक्यांश उत्तर
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उत्तर
Glass, water, air, etc.
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संबंधित प्रश्न
Fill in the blank
A medium through which light cannot pass is called the ....................
Fill in the blank.
Light travels in a ................. path.
Write true or false
The earth has its own light.
Answer the following.
What is light?
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 |
Mirrors change the direction of light that fall on them.
Write about two everyday situations that tell you that light travels in a straight line.
Describe the pictures.
The mirror used in search light is ______.
a) Draw ray diagrams to show how the image is formed using a concave mirror, when the position of object is:
- at C
- between C and F
- between F and P of the mirror.
b) Mention the position and nature of image in each case.
