Q. 135.0( 1 Vote )
In the experiment to trace the path of a ray of light through a triangular prism,
1. A student is asked to draw the boundary of the prism , why?
2. If the angle of incidence is 30, what can be the measure of the angle of incidence at minimum deviation ?
1. It ensures that prism is always kept within this boundary during the experiment.
2. At the minimum deviation condition,
The angle of emergence= angle of incidence
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A beam of white light falling on a glass prism gets split up into seven colours marked 1 to 7 as shown in the diagram.
A student makes the following statements about the spectrum observed on the screen.
i. The colours at positions marked 3 and 5 are similar to the colour of the sky and the core of a hard boiled egg respectively.
Is the above statement made by the student correct or incorrect? Justify.
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