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प्रश्न
If white light is used in same way what change is expected in the emergent beam?
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उत्तर
The white light shall split into its constituent colours and a spectrum shall be formed.
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संबंधित प्रश्न
Describe an activity to show that colours of white light splitted by a glass prism can be recombined to get white light by another identical glass prism. Also draw ray diagram to show the recombination of the spectrum of white light.
Describe how you could demonstrate that white light is composed of a number of colours.
How could you show that the colours of the spectrum combine to give white light?
The coloured light having the maximum speed in glass prism is:
(a) blue
(b) green
(c) violet
(d) yellow
Write the range of wavelength of the infrared spectrum.
The splitting of white light into its component colours is called ____________.
During dispersion of white light by prism placed in air, for a particular value of angle of prism,
In the following diagram showing dispersion of white light by a glass prism, the colours 'P' and 'Q’ respectively are:
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’.
Make a rainbow
Try to make your own rainbow. You can try this project in the morning or in the evening. Stand with your back towards the Sun. Take a hosepipe or a water pipe used in the garden. Make a fine spray in front of you. You can see different colours of rainbow in the spray.
