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प्रश्न
State whether the following statement is True or False
An object can be seen only if it emits light.
पर्याय
True
False
उत्तर
False
Explanation:
Only if an object reflects light falling on it can it be seen.
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संबंधित प्रश्न
Fill in the blank.
Light gives us the sensation of ................
What is a transparent medium? Give two examples.
What do we call a substance through which we cannot see light? Give an example of such a substance.
What do we call a substance through which light passes? Give an example of such a substance.
Can a transparent medium form an image? Explain your answer.
Name any four man made sources of light.
Tick the correct answer.
Substance which don’t allow light to pass through them,
Fill in the blank
Light consists of .............. colours.
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 ______.
