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Recent questions and answers in Ray Optics and Optical Instruments
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Swasthik
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Ray Optics and Optical Instruments
answered
May 5
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An object is placed on the principal axis of a concave mirror at a distance of 1.5 f (f is the focal length).
neet 2020 p2
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anonymous
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Ray Optics and Optical Instruments
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Jan 16
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If the critical angle for total internal reflection from a medium to vacuum is 45°, then velocity of light
neet 2020 p2
total-internal-reflection
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JeeNeetQnA
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Ray Optics and Optical Instruments
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Sep 14, 2021
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A convex lens 'A' of focal length 20 cm and a concave lens 'B' of focal length 5 cm are kept along the same axis
neet 2021
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JeeNeetQnA
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Ray Optics and Optical Instruments
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Sep 14, 2021
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A lens of large focal length and large aperture is best suited as an objective of an astronomical telescope since:
neet 2021
optical instruments
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Sartak rai
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Ray Optics and Optical Instruments
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Aug 26, 2021
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A plano-convex lens of unknown material and unknown focal length is given. With the help of a spherometer
neet 2020 p2
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momin
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Ray Optics and Optical Instruments
answered
Apr 10, 2021
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Relation between radius of curvature & focal length of a convex mirror is.
jee main 2021 (24 feb shift 1)
spherical-mirrors
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momin
in
Ray Optics and Optical Instruments
answered
Mar 6, 2021
588
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A spherical mirror is obtained as shown in the figure from a hollow glass sphere. if an object is positioned infront
jee main 2020 (2 sep shift 1)
optics
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JeeNeetQnA
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Ray Optics and Optical Instruments
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Feb 4, 2021
136
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The power of a biconvex lens is 10 dioptre and the radius of curvature of each surface is 10 cm.
neet 2020 p2
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JeeNeetQnA
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Ray Optics and Optical Instruments
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Feb 4, 2021
231
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A light ray enters a solid glass sphere of refractive index m = µ = √3 at an angle of incidence 60°.
jee main 2020 (2 sep shift 2)
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Huzaifa Noori
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Ray Optics and Optical Instruments
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Jan 21, 2021
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A ray is incident at an angle of incidence i on one surface of a small angle prism (with angle of prism A) and emerges
neet 2020
prism
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