Recent questions and answers in Ray Optics and Optical Instruments

by Ambreen in Ray Optics and Optical Instruments answered 2 days ago

Two transparent media A and B are separated by a plane boundary. The speed of light in those media are

1 answer

by Ambreen in Ray Optics and Optical Instruments answered Jul 29

A biconvex lens has radii of curvature, 20 cm each. If the refractive index of the material of the lens is 1.5

1 answer

by Ambreen in Ray Optics and Optical Instruments answered Jul 27

A light ray falls on a glass surface of refractive index √3, at an angle 60°. The angle between the refracted

1 answer

by anonymous in Ray Optics and Optical Instruments answered Jul 13

A plano-convex lens of unknown material and unknown focal length is given. With the help of a spherometer

6 answers

by Swasthik in Ray Optics and Optical Instruments answered May 5

An object is placed on the principal axis of a concave mirror at a distance of 1.5 f (f is the focal length).

2 answers

by anonymous in Ray Optics and Optical Instruments answered Jan 16

If the critical angle for total internal reflection from a medium to vacuum is 45°, then velocity of light

1 answer

by JeeNeetQnA in Ray Optics and Optical Instruments asked Sep 14, 2021

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

0 answers

by JeeNeetQnA in Ray Optics and Optical Instruments asked Sep 14, 2021

A lens of large focal length and large aperture is best suited as an objective of an astronomical telescope since:

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by momin in Ray Optics and Optical Instruments answered Apr 10, 2021

Relation between radius of curvature & focal length of a convex mirror is.

1 answer

by momin in Ray Optics and Optical Instruments answered Mar 6, 2021

A spherical mirror is obtained as shown in the figure from a hollow glass sphere. if an object is positioned infront

1 answer

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