In the figure shown here, what is the equivalent focal length of the combination of lenses (Assume that all layers are thin)? A biconvex…
NEET 2023 · Hard
A biconvex lens has radii of curvature, 20 cm each. If the refractive index of the material of the lens is 1.5, the power of the lens is:
NEET 2022 · Medium
Light travels a distance x in time t_1 in air and 10x in time t_2 in another denser medium. What is the critical angle for this medium?
NEET 2023 · Medium
Two thin lenses are of same focal lengths ( f ), but one is convex and the other one is concave. When they are placed in contact with each…
NEET 2023 · Easy
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 normally from the…
NEET 2020 · Medium
Assume that light of wavelength 600 nm is coming from a star. The limit of resolution of telescope whose objective has a diameter of 2 m…
NEET 2020 · Easy
