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प्रश्न
A ______ is an artificial source of light.
विकल्प
seven
star
through
transparent
opaque
colors
shape
erect
inverted
luminous
candle
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उत्तर
A candle is an artificial source of light.
संबंधित प्रश्न
How do we see objects around us ?
Write true or false of the following statement.
The moon is a natural source of light.
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.
Name any four man made sources of light.
Answer the following.
List two transparent objects.
Light is a form of ______.
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.
Why are traffic signals red in colour?
Look at the figure given in the following figure.
Will there be any difference in the shadow formed on the screen in A and B.
