Q. When seven colour of the spectrum combained together which light will obtain?
Solution:
? When white light passes through glass prism, a sequence of colours containing seven colours ( violet, indigo, blue, green, yellow, orange, and red) appear.
? According to the difference in the wave lengths the component colours deviate to different extents. The colour which has lowest wavelength deviates most and with highest wavelength deviates least.
? Range of visible spectrum = 400 nm – 700 nm
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