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Standard X
Chemistry
Electromagnetic Spectrum
Question

The band of colours obtained on a screen on passing white light through a prism is called _________ .
  1. range
  2. aperture
  3. spectrum
  4. none of the above

A
range
B
spectrum
C
none of the above
D
aperture
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Solution
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When light light is passed through the prism, each colour ( wavelength ) of light is deviated by a different amount. This causes splitting of colours in white light into its components. The band of colours obtained on splitting of white light is called spectrum.

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