JEE Physics

Prisms & Total Internal Reflection: JEE Questions & Solutions

22 previous-year JEE Physics questions on Prisms & Total Internal Reflection, each with a worked step-by-step solution.

Intermediate

Previous-year questions

  1. 01As shown in the diagram, when the incident ray is parallel to base of the prism, the emergent ray grazes along the second surface. If…MCQMediumJEE 2026
  2. 02Consider an equilateral prism (refractive index √2). A ray of light is incident on its one surface at a certain angle i. If the emergent…MCQEasyJEE 2026
  3. 03A thin prism with angle 5^° of refractive index 1.72 is combined with another prism of refractive index 1.9 to produce dispersion without…MCQEasyJEE 2026
  4. 04Consider light travelling from a medium A to medium B separated by a plane interface. If the light undergoes total internal reflection…MCQEasyJEE 2026
  5. 05A prism of angle 75^° and refractive index √3 is coated with thin film of refractive index 1.5 only at the back exit surface. To have total…MCQMediumJEE 2026
  6. 06The exit surface of a prism with refractive index n is coated with a material having refractive index n/2. When this prism is set for…MCQEasyJEE 2026
  7. 07For a transparent prism, if the angle of minimum deviation is equal to its refracting angle, the refractive index n of the prism satisfies:MCQEasyJEE 2026
  8. 08The refractive index of the material of a glass prism is √3. The angle of minimum deviation is equal to the angle of the prism. What is the…MCQMediumJEE 2025
  9. 09A thin prism P₁ with angle 4^° made of glass having refractive index 1.54 is combined with another thin prism P₂ made of glass having…MCQEasyJEE 2025
  10. 10A hemispherical vessel is completely filled with a liquid of refractive index μ. A small coin is kept at the lowest point O of the vessel…MCQMediumJEE 2025
  11. 11At the interface between two materials having refractive indices n₁ and n₂, the critical angle for reflection of an EM wave is θ_1C. The n₂…MCQMediumJEE 2025
  12. 12A ray of light suffers minimum deviation when incident on a prism having angle of the prism equal to 60^°. The refractive index of the…NVAEasyJEE 2025
  13. 13Consider following statements for refraction of light through prism, when angle of deviation is minimum. (A) The refracted ray inside prism…MCQEasyJEE 2025
  14. 14A transparent block A having refractive index μ₂ = 1.25 is surrounded by another medium of refractive index μ₁ = 1.0 as shown in figure. A…MCQMediumJEE 2025
  15. 15If the refractive index of the material of a prism is cot(A/2), where A is the angle of the prism, then the angle of minimum deviation will…MCQEasyJEE 2024
  16. 16The refractive index of the material of a prism is cot(A/2), where A is the angle of the prism. The angle of minimum deviation δ_m is:MCQMediumJEE 2024
  17. 17The refractive index of a prism with apex angle A is cot(A/2). The angle of minimum deviation is:MCQEasyJEE 2024
  18. 18Given below are two statements: Statement I: If the Brewster's angle for the light propagating from air to glass is θ_b, then Brewster's…MCQMediumJEE 2023
  19. 19Unpolarised light is incident on the boundary between two dielectric media whose dielectric constants are 2.8 (medium 1) and 6.8 (medium 2)…NVAEasyJEE 2023
  20. 20A thin prism P₁ with an angle of 6^° and made of glass of refractive index 1.54 is combined with another prism P₂ made from glass of…MCQEasyJEE 2023
  21. 21The critical angle for a denser-rarer interface is 45^°. The speed of light in the rarer medium is 3 × 10⁸ m/s. The speed of light in the…MCQEasyJEE 2023
  22. 22The refractive index of a transparent liquid filled in an equilateral hollow prism is √2. The angle of minimum deviation for the liquid…NVAEasyJEE 2023

Frequently asked questions

Our bank has 22 previous-year JEE Physics questions tagged to Prisms & Total Internal Reflection, drawn from JEE papers between 2023 and 2026, including 7 from 2026 alone. Each comes with a full step-by-step solution.

Prisms & Total Internal Reflection is rated Intermediate overall for JEE Physics. The PYQs on this page break down as 14 easy, 8 medium.

Of the 22 previous-year questions on Prisms & Total Internal Reflection, 19 are multiple-choice (MCQ) and 3 are numerical-value (NVA) questions.

Based on recent paper analysis, Prisms & Total Internal Reflection is worth about 1 mark in JEE Main. It sits in Optics, a Class 12 Physics chapter.

More Optics topics

Refraction & Lenses53Interference (Young's Experiment)32Reflection & Spherical Mirrors18Diffraction & Polarisation16Optical Instruments (Microscope, Telescope)5Wavefront & Huygens Principle2

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