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In the Figure Given Alongside, a Narrow Beam of White Light is Shown to Pass Through a Triangular Glass Prism. After Passing Through the Prism, It Produces a Spectrum Yx on the Screen. State the Colour Seen (I) at X, and (Ii) at Y. - CBSE Class 10 - Science

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Question

In the figure given alongside, a narrow beam of white light is shown to pass through a triangular glass prism. After passing through the prism, it produces a spectrum YX on the screen.  

State the colour seen (i) at X, and (ii) at Y.

Solution

(i)The colour seen at X is violet (as it is the maximum deviated).
(ii) The colour seen at Y is red (as it is the least deviated).

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Solution In the Figure Given Alongside, a Narrow Beam of White Light is Shown to Pass Through a Triangular Glass Prism. After Passing Through the Prism, It Produces a Spectrum Yx on the Screen. State the Colour Seen (I) at X, and (Ii) at Y. Concept: Dispersion by a Prism.
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