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प्रश्न
A ______ is a natural source of light.
विकल्प
seven
star
through
transparent
opaque
colors
shape
erect
inverted
luminous
candle
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उत्तर
A star is a natural source of light.
संबंधित प्रश्न
Name two natural sources of light.
What do we call a substance through which we cannot see light? Give an example of such a substance.
Tick the correct answer.
Light causes
Tick the correct answer.
Substance which don’t allow light to pass through them,
Fill in the blank
There are ........... and man-made ............ of light.
Answer the following.
List two transparent objects.
Describe the pictures.
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.
If the energy of incident beam and the scattered beam is the same, then the scattering of light is called as ______ scattering.
Why are traffic signals red in colour?
