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प्रश्न
Fill in the blank
Light consists of .............. colours.
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उत्तर
Light consists of seven colours.
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संबंधित प्रश्न
Write true or false of the following statement.
We can see an object through an opaque medium.
Can a transparent medium form an image? Explain your answer.
Tick the correct answer.
Light is a font of
Tick the correct answer.
The natural source of light is
Answer the following.
What is light?
Mirrors change the direction of light that fall on them.
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 VB, VG, VR be the velocity of blue, green, and red light respectively in a glass prism, then which of the following statement gives the correct relation?
If the energy of incident beam and the scattered beam is the same, then the scattering of light is called as ______ scattering.
Boojho made light from a laser torch fall on a prism. Will he be able to observe a band of seven colours? Explain with a reason.
