Search
Question: Which phenomenon is responsible for the blue color of the sky?Options: RefractionReflectio..
Question: What is the maximum percentage of light transmitted through two polarizers?Options: 0%25%5..
Question: If unpolarized light passes through two polarizers at 90 degrees to each other, what is th..
Question: What is the effect of a polarizer on unpolarized light?Options: It increases the intensity..
Question: Which of the following materials is known to exhibit polarization?Options: GlassWaterAirVa..
Question: What is the period of a pendulum that is 1 meter long?Options: 1 s2 s0.5 s3 sCorrect Answe..
Question: What is the magnification produced by a lens if the object distance is 15 cm and the image..
Question: A lens has a focal length of 40 cm. If an object is placed 80 cm from the lens, what is th..
Question: An object is placed at the focus of a concave lens. What type of image is formed?Options: ..
Question: A biconvex lens has a radius of curvature of 30 cm on both sides. What is its focal length..
Question: What is the focal length of a lens if it forms a virtual image at a distance of 12 cm when..
Question: What happens to the fringe pattern in Young\'s double-slit experiment if the distance to t..
Question: In a Newton\'s rings experiment, if the radius of the ring increases, what can be inferred..
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..
