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प्रश्न
Which colour of white light travels slowest, in glass?
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उत्तर
Violet colour travels slowest in glass.
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संबंधित प्रश्न
Why is the colour red used as a sign of danger?
Which colour of white light travels fastest in glass?
If a monochromatic beam of light undergoes minimum deviation through an equiangular prism, how does the beam pass through the prism, with respect to its base?
(i) Draw a diagram to show the splitting of white light by a prism into its constituent colour.
(ii) Draw another diagram to show how the colours of spectrum of white light can be combined
to give the effect of white light.
Light of different colours is deviated through different angles, by a prism. Explain the reason.
Explain, why quartz prism is required for obtaining the spectrum of ultra-violet light?
Draw a neat diagram to show the arrangement you would use to project a pure spectrum of white light on a screen.
Comment on the statement: ‘When any ray of white light is incident on a glass prism, it simply disperses it into its seven constituent colours.
The wavelengths for the light of red and blue colours are nearly 7·8 × 10-7 m and 4·8 × 10-7 m respectively.
Which colour has greater speed in glass?
