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Which of the following arrangements in the sequence shown can be used to obtain a...

Physics
JAMB 1983

Which of the following arrangements in the sequence shown can be used to obtain a pure spectrum of white light?

  • A. source, slit, converging lens, prism, converging lens, screen.
  • B. source, slit, diverging lens, prism, diverging lens, screen.
  • C. source, converging lens, prism, diverging lens, screen.
  • D. source, slit, prism, diverging lens, converging lens, screen.
  • E. source, slit, prism, diverging lens, sreen.
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Correct Answer: Option A
Explanation

Dispersion is the separation of white light into its component colours.

The correct sequence of arrangement that can be used to obtain pure spectrum is as follows; source, slit, converging lens, prism, converging lens, screen.

 

 

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