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
A light ray falls on a glass surface of refractive index 3 , at an angle 60°. The angle between the refracted and reflected rays would be:
NEET 2022 · Medium
Two transparent media A and B are separated by a plane boundary. The speeds of light in those media are 1.5×10^8 m/s and 2.0×10^8 m/s,…
NEET 2022 · Medium
A small telescope has an objective of focal length 140 cm and an eye piece of focal length 5.0 cm. The magnifying power of telescope for…
NEET 2024 · Easy
A ray of monochromatic light is passing through an equilateral prism ( ABC ) as shown in the figure. The refracted ray ( QR ) is parallel…
NEET 2026 · Easy
In a concave lens, a ray of light emanating from the object parallel to the principal axis of the lens after refraction: The figure shows…
NEET 2026 · Medium
