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Refraction at plane and spherical surfaces, thin lens and lens maker formula

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Every question from past board papers on Refraction at plane and spherical surfaces, thin lens and lens maker formula, newest paper first. Open any question for its full worked answer.

NEET UG 2022 question paper (official, booklet R6)

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  1. A light ray falls on a glass surface of refractive index \(\sqrt{3}\), at an angle \(60°\). The angle between the refracted and reflected rays would be :

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  2. Two transparent media A and B are separated by a plane boundary. The speed of light in those media are \(1.5 \times 10^{8}\) m/s and \(2.0 \times 10^{8}\) m/s, respectively. The critical angle for a ray of light for these two media is :

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NEET UG 2021 question paper (official, booklet M4)

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  1. A point object is placed at a distance of 60 cm from a convex lens of focal length 30 cm. If a plane mirror were put perpendicular to the principal axis of the lens and at a distance of 40 cm from it, the final image would be formed at a distance of :

    convex lens with plane mirror 40 cm behind it, object 60 cm in front

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NEET UG 2019 question paper (official, booklet P1)

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  1. Pick the wrong answer in the context with rainbow.

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NEET UG 2016 Phase 2 question paper (official, booklet ZZ)

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  1. An air bubble in a glass slab with refractive index 1.5 (near normal incidence) is 5 cm deep when viewed from one surface and 3 cm deep when viewed from the opposite face. The thickness (in cm) of the slab is

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