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प्रश्न
Name a few living things which emit light.
उत्तर
Jugnu and firefly.
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संबंधित प्रश्न
Fill in the blank.
Light travels in a ................. path.
How does light make an object visible?
Write the names of some transparent objects.
Fill in the blank
The brightness of light is measured in ...................
Fill in the blank
Speed of light in vacuum is .................
Write true or false
The earth has its own light.
Answer the following.
Distinguish between transparent, translucent, and opaque objects.
Answer the following.
Differentiate between luminous and non-Luminous objects.
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.
The path of the light is called as ______.
