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प्रश्न
Say TRUE or FALSE
Rainbow is formed by dispersion of which light by water drops
विकल्प
True
False
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उत्तर
Rainbow is formed by dispersion of which light by water drops- True
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संबंधित प्रश्न
Draw a diagram to show how white light can be dispersed into a spectrum by using a glass prism. Mark the various colours of the spectrum.
Which is refracted most by a prism : red light or violet light? Explain why?
What acts as tiny prisms in the formation of a rainbow?
What conclusion do you draw about the nature of white light in part (b)?
The wavelength range of white light is ______.
A wave has wavelength 50Å of State the speed in vacuum.
Write three conditions necessary to obtain a pure spectrum on a screen. Name the instrument in which the conditions stated by you are fulfilled.
Match the Columns:
| Column ‘A’ | Column ‘B’ |
| The wavelength of red light | (a) 600 nm |
| (b) 700 nm | |
| (c) 500 nm |
Observe the given diagram and answer the questions:
- Name the process shown in the figure.
- Name the colour that deviates the most.
- Name the colour that deviates the least.
- Name any one phenomenon in nature which is based on the above process.
- Define ‘spectrum’.
