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Question: If the refractive index of a thin film is greater than that of the surrounding medium, wha..
Question: What is the minimum thickness of a soap film that appears dark when viewed in reflected li..
Question: In a Michelson interferometer, what happens when one of the mirrors is moved slightly?Opti..
Question: In which scenario would total internal reflection NOT occur?Options: Light traveling from ..
Question: If the angle of incidence is equal to the critical angle, what is the behavior of the ligh..
Question: A light ray traveling in diamond (n=2.42) strikes the diamond-air interface. What is the c..
Question: If the refractive index of a medium is 2.0, what is the critical angle for total internal ..
Question: A beam of light in glass (n=1.5) strikes the glass-air interface at an angle of 60°. What ..
Question: What is the critical angle for total internal reflection if the refractive index of the me..
Question: If the refractive index of a medium is 1.5, what is the speed of light in that medium?Opti..
Question: What is the nature of the image formed by a convex lens when the object is placed at infin..
Question: A light ray passes through the center of curvature of a concave mirror. What will be the a..
Question: What happens to the image formed by a concave mirror when the object is placed between the..
Question: If the radius of curvature of a spherical mirror is 40 cm, what is its focal length?Option..
Question: What is Brewster\'s angle?Options: The angle at which light is completely absorbedThe angl..
Question: In which of the following scenarios does light become polarized by reflection?Options: Whe..
Question: What is the principle behind the operation of a polarimeter?Options: Measuring the speed o..
Question: Which of the following is a characteristic of linearly polarized light?Options: It vibrate..
Question: What type of image is formed by a concave lens when the object is placed at infinity?Optio..
Question: If the radius of curvature of a lens is 30 cm, what is the focal length of the lens assumi..
Question: Which of the following statements is true for a converging lens?Options: It can only form ..
Question: What is the image distance for a convex lens if the object is placed at 10 cm and the foca..
Question: A lens has a power of +2.5 D. What is its focal length?Options: 40 cm25 cm50 cm20 cmCorrec..
Question: If a concave lens has a focal length of -20 cm, what is the nature of the image formed whe..
Question: What is the minimum thickness of a soap bubble that will appear black in reflected light?O..
Question: In a double-slit experiment, if the distance to the screen is increased, what happens to t..
Question: What is the role of the refractive index in thin film interference?Options: It determines ..
Question: In a thin film of oil on water, which color will appear at the topmost layer when viewed f..
Question: If two coherent sources of light are in phase, what type of interference will occur?Option..
Question: In a thin film interference, which of the following conditions leads to a dark fringe?Opti..
