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प्रश्न
State the correct sequence (1-7) of colours in the spectrum formed by the prisms A and B, shown in the following figure.

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उत्तर
In figure A and figure B
| Figure A | Colour | Figure B |
| 1 | Red | 7 |
| 2 | Orange | 6 |
| 3 | Yellow | 5 |
| 4 | Green | 4 |
| 5 | Blue | 3 |
| 6 | Indigo | 2 |
| 7 | Violet | 1 |
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संबंधित प्रश्न
As light rays pass from air into a glass prism, are they refracted towards or away from the normal?
What is a rainbow? What are the two conditions necessary for the formation of a rainbow in the sky?
The splitting up of white light into seven colours on passing through a glass prism is called:
(a) refraction
(b) deflection
(c) dispersion
(d) scattering
What do you understand by the term spectrum? Name the various colours present in the spectrum of sunlight.
What conclusion do you draw about the nature of white light in part (b)?
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The completed ray diagram is as shown below:

The wavelength range of white light is ______.
Rainbow is a beautiful natural phenomenon. It is the combined effect of a natural three processes together produced by light. Write it into the circle.


In dispersion, the color of light that will bend more is ______.
In the following diagram showing dispersion of white light by a glass prism, the colours 'P' and 'Q’ respectively are:

