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प्रश्न
Fill in the blank
A medium through which light cannot pass is called the ....................
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उत्तर
A medium through which light cannot pass is called the opaque medium.
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संबंधित प्रश्न
Write true or false of the following statement.
A shadow is formed because light travels in a straight-line path.
Fill in the blank.
Light gives us the sensation of ................
Fill in the blank.
A medium which allows light to pass through it easily is called the ...................
How does light make an object visible?
What do we call a substance through which we cannot see light? Give an example of such a substance.
Tick the correct answer
Glass is
Answer the following.
What is light?
Answer the following.
Differentiate between luminous and non-Luminous objects.
Match the following.
| Group A | Group B |
| (a) Mirror | (1) Non-luminous |
| (b) Firefly | (2) Inverted image |
| (c) Pinhole camera | (3) Reflection |
| (d) Moon | (4) Luminous |
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.
