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प्रश्न
Explain, why quartz prism is required for obtaining the spectrum of ultra-violet light?
उत्तर
The reason is that glass absorbs ultra-violet radiation while the quartz does not absorb them.
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संबंधित प्रश्न
Name three factors on which the deviation produced by a prism depends and state how does it depend on the factors stated by you.
How does the deviation produced by a triangular prism depend on the colours (or wavelengths) of light incident on it?
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.
Write the approximate wavelengths for blue.
Give a reason, why the violet colour of white light deviated most and red colour of white light deviated least.
A prism causes dispersion of white light while a rectangular glass block does not. Explain.
Which colour of white light travels slowest, in glass?
Write the approximate wavelength for red light.
