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Question: A lens forms a real image at a distance of 40 cm from the lens when the object is placed a..
Question: An object is placed at the focus of a concave mirror. What type of image is formed?Options..
Question: A ray of light passes from air into glass with a refractive index of 1.5. If the angle of ..
Question: If the focal length of a concave mirror is 20 cm, what is the radius of curvature?Options:..
Question: A concave lens has a focal length of -10 cm. What is the nature of the image formed when a..
Question: What is the formula for calculating the budgeted profit margin?Options: Budgeted Sales - B..
Question: A company budgeted $200,000 for direct materials but actually spent $220,000. What is the ..
Question: Which of the following describes the motion of a damped oscillator mathematically?Options:..
Question: What is the relationship between the amplitude of a damped oscillator and time?Options: Ex..
Question: In a damped harmonic oscillator, if the damping coefficient is increased, what happens to ..
Question: What happens to the light intensity when it passes through a polarizer at an angle of 60 d..
Question: What is the Brewster\'s angle for light in air (n=1) reflecting off glass (n=1.5)?Options:..
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..