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प्रश्न
Name any four man made sources of light.
उत्तर
1. An electric bulb
2. Candle
3. An oil lamp
4. A torch
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संबंधित प्रश्न
Can light travel in vacuum ?
Fill in the blank.
The sun is a ............... source of light.
Fill in the blank.
Light travels in a ................. path.
What do we call a substance through which light passes? Give an example of such a substance.
Tick the correct answer.
Light is a font of
Tick the correct answer
Glass is
Fill in the blank
The Sun and .............. are the natural sources of light.
_______ is the natural source that stimulates sight and makes things visible.
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.
State whether the following statement is True or False
An object can be seen only if it emits light.
