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A Ray of Light Travelling in Water Falls at Right Angles to the Boundary of a Parallel-sided Glass Block. the Ray of Light: (A) is Refracted Towards the Normal (B) is Refracted Away from the Normal (C) Does Not Get Refracted (D) is Reflected Along the Same Path - CBSE Class 10 - Science

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Question

A ray of light travelling in water falls at right angles to the boundary of a parallel-sided glass block. The ray of light:

(a) is refracted towards the normal
(b) is refracted away from the normal
(c) does not get refracted
(d) is reflected along the same path

Solution

does not get refracted
When a ray of light travels along the normal incident on the boundary separating two mediums, it is not refracted.

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Solution A Ray of Light Travelling in Water Falls at Right Angles to the Boundary of a Parallel-sided Glass Block. the Ray of Light: (A) is Refracted Towards the Normal (B) is Refracted Away from the Normal (C) Does Not Get Refracted (D) is Reflected Along the Same Path Concept: Refraction of Light - Refractive Index.
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