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प्रश्न
Complete the following diagram to show the path of the ray of a single colour in the diagram as if enters in and emerges out of the prism. Mark the angles wherever necessary. (Critical angle for glass = 42°).
Copy and complete the following diagram to show the path of the ray of monochromatic light as it enters and emerges from the prism. Mark the angle wherever necessary (critical angle is 42°).
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