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प्रश्न
Tick the correct answer.
A tube light is a
विकल्प
Hot source
Cold source
Incandescent source
None of these
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उत्तर
Hot source
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संबंधित प्रश्न
Fill in the blank.
Light gives us the sensation of ................
Differentiate between the luminous and non-luminous bodies. Give two examples of each.
Write the names of some cold light-emitting objects.
Write true or false
The stars have no light.
Answer the following.
What is light?
Choose the translucent substance from the following
The mirror used in search light is ______.
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 Rayleigh’s law of scattering.
Observe the picture given in the following figure carefully.
A patch of light is obtained at B, when the torch is lighted as shown. Which of the following is kept at position A to get this patch of light?
