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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..
Question: Which of the following best describes the term \'angular width\' of a diffraction maximum?..
Question: What is the effect of increasing the number of slits in a diffraction grating on the sharp..
Question: In a diffraction pattern, what does the intensity of the central maximum depend on?Options..
Question: If the wavelength of light used in a diffraction experiment is halved, what happens to the..
Question: What is the role of a semiconductor in a transistor?Options: To store chargeTo amplify cur..
Question: In a p-n junction diode, what happens when it is forward biased?Options: Depletion region ..
Question: What is the band gap energy of a typical silicon semiconductor?Options: 0.1 eV1.1 eV2.0 eV..
Question: Which of the following processes occurs first in the central dogma?Options: TranslationRep..
Question: What is the significance of the promoter region in a gene?Options: It codes for the protei..
Question: What is the function of ribosomes in the process of translation?Options: To synthesize DNA..
