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Question: Which of the following statements about fluids is true?Options: Fluids can only flow in on..
Question: A sound wave travels at a speed of 340 m/s in air. What is the wavelength of a sound wave ..
Question: What is the path difference for the first minimum in a double-slit experiment?Options: λ/2..
Question: What is the minimum thickness of a soap bubble for which the first order of constructive i..
Question: In a single-slit diffraction pattern, what is the angular width of the central maximum if ..
Question: What is the wavelength of light if the first-order maximum occurs at an angle of 30° in a ..
Question: What is the refractive index of a medium if the critical angle for total internal reflecti..
Question: A fiber optic cable uses total internal reflection. What is the minimum refractive index r..
Question: A light ray passes from diamond (n=2.42) to air. What is the critical angle?Options: 24.4°..
Question: If the angle of incidence in glass (n=1.5) is 60°, will total internal reflection occur wh..
Question: In a simple harmonic oscillator, if the mass is increased while keeping the spring constan..
Question: A pendulum swings with a period of 1 second. If the length of the pendulum is doubled, wha..
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..
