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Geometrical Optics question

2021 · 18 Mar · Shift 2 · Q50
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  5. /2021 · 18 Mar · Shift 2 · Q50

Geometrical Optics question

2021 · 18 Mar · Shift 2 · Q50

JEE MainPhysicsGeometrical OpticsMCQ+4 / −1
Three rays of light, namely red (R), green (G) and blue (B) are incident on the face PQ of a right angled prism PQR as shown in the figure. JEE Main 2021 (Online) 18th March Evening Shift Physics - Geometrical Optics Question 143 English The refractive indices of the material of the prism for red, green and blue wavelength are 1.27, 1.42 and 1.49 respectively. The colour of the ray(s) emerging out of the face PR is :
  1. A
    green
  2. B
    blue and green
  3. C
    blue
  4. D
    red
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