20 JEE Main 2020 Ray Optics previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2020 previous-year questions from the Ray Optics chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Ray Optics chapter hub.
Two light waves having the same wavelength λ in vacuum are in phase initially. Then the first wave travels a path…
In a compound microscope, the magnified virtual image is formed at a distance of 25  cm from the eye-piece. The fo…
For a concave lens of focal length f , the relation between object and image distance u and v , respectively, from its…
An object is gradually moving away from the focal point of a concave mirror along the axis of the mirror. The graphical…
A prism of angle A = 1 ° μ = 1 . 5 . A good estimate for the minimum angle of deviation (in degrees) is close…
A compound microscope consists of an objective lens of focal length 1   cm and an eye piece of focal length 5 …
A point like object is placed at distance of 1 m in front of a convex lens of focal length 0 . 5 m . A plane mirror is…
A double convex lens has power P and same radii of curvature r of both the surfaces. The radius of curvature of a surfa…
The magnifying power of a telescope with tube length 60 c m is 5 . What is the focal length of its eye piece?
An observer can see through a small hole on the side of a jar (radius 15   cm ) at a point at height of 15  …
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