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Question: In thin film interference, what happens to the colors observed when the thickness of the f..
Question: If two waves of equal amplitude interfere destructively, what is the resultant amplitude?O..
Question: In a two-slit interference pattern, if the angle of the first order maximum is θ, what is ..
Question: In a double-slit experiment, if the wavelength of light is 600 nm and the distance between..
Question: What is the effect of increasing the distance between the slits in a double-slit experimen..
Question: In a thin film interference, if the film is of thickness t and the refractive index is n, ..
Question: If the intensity of light at a point of constructive interference is I, what is the intens..
Question: Two coherent sources of light produce interference. If the path difference is 0.5λ, what t..
Question: If the refractive index of a medium is 1.5, what is the maximum angle of incidence for tot..
Question: In which of the following scenarios would total internal reflection NOT occur?Options: Lig..
Question: A fiber optic cable uses total internal reflection. What is the role of the cladding in th..
Question: If the angle of incidence is 70° in glass (n=1.5), will total internal reflection occur wh..
Question: Which of the following phenomena is a direct result of diffraction?Options: InterferencePo..
Question: What happens to the diffraction pattern when the distance to the screen is increased?Optio..
Question: In a single-slit diffraction pattern, how many minima are there on either side of the cent..
Question: If the slit width is halved in a single-slit diffraction experiment, what happens to the a..
Question: For a diffraction pattern produced by a single slit, how does the width of the central max..
Question: What is the critical angle for total internal reflection when light travels from glass (n ..
Question: A beam of light passes through a prism with a refractive index of 1.5. If the angle of the..
Question: What is the nature of the image formed by a concave lens when the object is placed at infi..
Question: A beam of light strikes a plane mirror at an angle of 60 degrees. What is the angle of ref..
Question: What is the magnification produced by a concave lens if the object distance is 20 cm and t..
Question: A lens forms a real image at a distance of 30 cm from the lens when the object is placed a..
Question: A convex lens has a focal length of 20 cm. If an object is placed at a distance of 60 cm f..
Question: If two polarizers are placed in series with their axes at 90 degrees to each other, what w..
Question: What is the primary function of a transistor in semiconductor technology?Options: Switchin..
Question: What is the role of a diode in a semiconductor circuit?Options: AmplificationRectification..
Question: What is the typical range of energy band gaps for semiconductors?Options: 0.1 - 0.5 eV0.5 ..
Question: What is the effect of doping a semiconductor?Options: Increases resistanceDecreases resist..
Question: What is the primary charge carrier in P-type semiconductors?Options: ElectronsHolesProtons..
