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In an Experiment to Trace the Path of a Ray of Light Through a Triangular Glass Prism, a Student Would Observe that the Emergent Ray

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प्रश्न

In an experiment to trace the path of a ray of light through a triangular glass prism, a student would observe that the emergent ray

(a) is parallel to the incident ray.

(b) is along the same direction of incident ray.

(c) gets deviated and bends towards the thinner part of the prism.

(d) gets deviated and bends towards the thicker part (base) of the prism.

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उत्तर

In an experiment to trace the path of a ray of light through a triangular glass prism, a student would observe that the emergent ray gets deviated and bends towards the thicker part (base) of the prism.

Hence, the correct answer is option (d). 

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2015-2016 (March) Foreign Set 1

संबंधित प्रश्न

State the cause of dispersion of white light passing through a glass prism. How did Newton show that white light of sun contains seven colours using two identical glass prisms. Draw a ray diagram to show the path of light when two identical glass prisms are arranged together in inverted position with respect to each other and a narrow beam of white light is allowed to fall obliquely on one of the focus of the first prism.


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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    2. at Y.
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(a) red
(b) orange
(c) violet
(d) blue


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A ray of white light is passed through a glass prism and a spectrum is obtained on a screen.

  1. Name the seven colours of the spectrum in order.
  2. Do the colours have the same width in the spectrum?
  3. Which of the colour of the spectrum of white light deviates (i) the most, (ii) the least?

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Observe the given figure and write appropriate phenomenon of light in the box.


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