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Question: A ray of light strikes a plane mirror at an angle of incidence of 30 degrees. What is the ..
Question: What happens to the image formed by a concave mirror when the object is placed at the cent..
Question: If the radius of curvature of a concave mirror is 40 cm, what is its focal length?Options:..
Question: Which of the following statements is true for a convex lens?Options: It can produce only r..
Question: What is the focal length of a concave mirror if an object placed 30 cm in front of it prod..
Question: In which of the following scenarios does light become polarized?Options: When it passes th..
Question: What is the effect of a quarter-wave plate on polarized light?Options: It reflects the lig..
Question: If two polarizers are placed at 90 degrees to each other, what will be the intensity of li..
Question: Which of the following statements about polarized light is true?Options: It can pass throu..
Question: What is the angle of incidence at which light is completely polarized upon reflection?Opti..
Question: When unpolarized light passes through a polarizer, what happens to its intensity?Options: ..
Question: What type of light is produced by a laser?Options: Unpolarized lightPartially polarized li..
Question: Which of the following materials can be used to polarize light?Options: GlassPolaroid film..
Question: What is the phenomenon of polarization in light?Options: The splitting of light into diffe..
Question: A lens has a power of -4 D. What type of lens is it?Options: Convex lensConcave lensBifoca..
Question: What type of image is formed by a convex lens when the object is placed beyond the focal p..
Question: If the image distance is equal to the object distance for a lens, what is the magnificatio..
Question: In a compound microscope, which lens is the objective lens?Options: The lens closest to th..
Question: A lens forms a virtual image at a distance of 20 cm from the lens when the object is place..
Question: What happens to the focal length of a lens when it is immersed in water?Options: Increases..
Question: If a concave lens has a focal length of -10 cm, what is the nature of the image formed whe..
Question: Which type of lens is used to correct hyperopia (farsightedness)?Options: Concave lensConv..
Question: What is the focal length of a convex lens if it forms a real image at a distance of 30 cm ..
Question: In a thin film of soap, why do we see different colors?Options: Different wavelengths inte..
Question: What is the result of destructive interference when two waves of equal amplitude meet?Opti..
Question: In a two-slit interference pattern, if the distance between the slits is increased, what h..
Question: What is the formula for the fringe width in a double-slit experiment?Options: λD/dd/λDD/λd..
Question: In a thin film of oil on water, which color will be most prominently seen due to construct..
Question: If two coherent sources of light are in phase, what will be the phase difference at a poin..
Question: In thin film interference, what causes a phase change of π?Options: Reflection from a dens..
