Advertisements
Advertisements
Question
Write the approximate wavelength for red light.
Advertisements
Solution
For red light, approximate wavelength = 8000 Å.
APPEARS IN
RELATED QUESTIONS
Name three factors on which the deviation produced by a prism depends and state how does it depend on the factors stated by you.
Write the approximate wavelengths for blue.
Draw another diagram to show how the colours of spectrum of white light can be combined to give the effect of white light.
Fig shows part of the arrangement for obtaining pure spectrum.
(a) Complete thediagram and show how to obtain a pure spectrum.
(b) What are the conditions necessary for obtaining a pure spectrum?
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?
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.
Which colour of white light travels slowest, in glass?
