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प्रश्न
While performing the experiment to trace the path of a ray of light passing through a glass prism, four students marked the incident ray and the emergent ray in their diagrams in the manner shown below. 
(A) I
(B) II
(C) III
(D) IV
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उत्तर
(C)
When light goes from rarer medium to denser medium; it bends towards the normal and vice-versa. This condition is fulfilled in figure (III).
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संबंधित प्रश्न
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.
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(a) red
(b) orange
(c) violet
(d) blue
The speed of light in air or vacuum is
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Try to make your own rainbow. You can try this project in the morning or in the evening. Stand with your back towards the Sun. Take a hosepipe or a water pipe used in the garden. Make a fine spray in front of you. You can see different colours of rainbow in the spray.
