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Refraction at Spherical Surfaces questions with solutions
Practice Geometrical optics for JEE Main, JEE Advanced, NEET, and Classes 11–12. Attempt each question, then open it for the full solution.
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- MCQmediumGeometrical optics
A point object in air is situated 40 cm from the pole of a convex spherical refracting surface. The medium beyond the surface has refractive index 1.50 and the radius of curvature is +27 cm. Find the image distance from the pole and use its sign to identify the side on which the image is formed.
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JEE MainsNEET
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A beam of diameter ‘d’ is incident on a glass hemisphere as shown. If the radius of curvature of the hemisphere is very large in comparison to d, then the diameter of the beam at the base of the hemisphere will be :-
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JEE MainsJEE Advanced
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A point object in air is situated 32 cm from the pole of a convex spherical refracting surface. The medium beyond the surface has refractive index 1.40 and the radius of curvature is +21 cm. Find the image distance from the pole and use its sign to identify the side on which the image is formed.
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JEE MainsNEET
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A point object in air is situated 56 cm from the pole of a convex spherical refracting surface. The medium beyond the surface has refractive index 1.70 and the radius of curvature is +39 cm. Find the image distance from the pole and use its sign to identify the side on which the image is formed.
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JEE MainsNEET
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An object in air is at u=-45 cm from a convex spherical glass surface of radius +25 cm and refractive index 3/2. What is the transverse magnification?
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JEE MainsNEET
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A point object in air is at u=-47 cm from a convex spherical glass surface of radius +20 cm. The glass refractive index is 3/2. Determine the image position using Cartesian sign convention.
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JEE MainsNEET
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An object in air approaches a stationary convex spherical glass surface of radius +20 cm at 2 cm/s. At the instant u=-30 cm, μ=3/2. What is the instantaneous image velocity?
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JEE MainsNEET
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A parallel paraxial beam of light is incident on the arrangement as shown μA = 3/2, μB = 4/3, the two spherical surfaces are very close and each has radius of curvature 10 cm. Find the point where the rays are focussed. (w.r.t. point of entry)
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JEE MainsJEE Advanced
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A point object in air is placed 40 cm in front of a convex spherical surface separating air from glass of refractive index 1.40. The radius of curvature of the surface is +30 cm. Using the Cartesian sign convention, determine the image distance from the pole.
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JEE MainsNEET
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A beaker of radius r is filled with water (refractive index 4/3) up to height H and rotates with angular speed ω. The water surface becomes approximately spherical; the height difference between centre and rim is h (h << H, h << r), and the radius of curvature is R. Which statement(s) is/are correct?
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JEE Advanced 2020
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