Question 14

Boojho shines monochromatic light from a laser torch on a prism. Will he be able to observe a band of seven colours? Explain with a reason.

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Solution

No, he will not observe band of seven colours because laser light consists of monochromatic light (single colour). When white light is passed through a prism dispersion takes place and seven bands of colours is visible.

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Dispersion of White Light through Prism

Standard VII Physics

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Question 14 Boojho shines monochromatic light from a laser torch on a prism. Will he be able to observe a band of seven colours? Explain with a reason.

No, he will not observe band of seven colours because laser light consists of monochromatic light (single colour). When white light is passed through a prism dispersion takes place and seven bands of colours is visible.

Question 14

Boojho shines monochromatic light from a laser torch on a prism. Will he be able to observe a band of seven colours? Explain with a reason.