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
The lens combination as shown in the figure, consists of two lenses, L_1 and L_2 , of the focal lengths +10 cm and -10 cm, respectively.…
RE-NEET 2026 · Medium
Find the value of the angle of emergence from the prism. Refractive index of the glass is √(3) . Figure: a right-angled prism ABC with the…
NEET 2021 · Medium
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…
NEET 2021 · Hard
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
