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Question: A wave on a string is described by the equation y(x, t) = 0.1 sin(2π(0.5x - 10t)). What is..
Question: A simple harmonic oscillator has a mass of 2 kg and a spring constant of 200 N/m. What is ..
Question: What is the relationship between the angle of diffraction and the wavelength of light in a..
Question: In a diffraction pattern, what is the effect of increasing the slit width?Options: Wider c..
Question: In a Michelson interferometer, what happens to the interference pattern if one of the mirr..
Question: If the refractive index of a medium is greater than 1, how does it affect the speed of lig..
Question: What is the phase difference between two waves that interfere constructively?Options: 0π/2..
Question: Which of the following is a practical application of total internal reflection?Options: Le..
Question: If the refractive index of a medium is 1.33, what is the maximum angle of incidence for to..
Question: What happens to the light ray when it hits the boundary at the critical angle?Options: It ..
Question: A fiber optic cable uses total internal reflection. What is the role of the cladding?Optio..
Question: What is the refractive index of a medium if the critical angle for total internal reflecti..
Question: If the angle of incidence is 30° in a medium with a refractive index of 1.5, what is the a..
Question: What is the primary method of extracting copper from its sulfide ores?Options: Electrolysi..
Question: Which of the following metals is most likely to corrode in the presence of moisture?Option..
Question: What is the main purpose of using a flux in metallurgy?Options: To increase the melting po..
Question: Which of the following acids is commonly used in the leaching process of gold?Options: Hyd..
Question: What is the primary oxidation state of iron in Fe2O3?Options: +1+2+3+4Correct Answer: +3So..
Question: Which of the following statements about coordination compounds is true?Options: They alway..
Question: Which of the following metals is most likely to be extracted using electrolysis?Options: I..
Question: Which of the following is NOT a method of producing polarized light?Options: ReflectionRef..
Question: If two polarizers are oriented at 90 degrees to each other, what will be the intensity of ..
Question: What is the effect of increasing the object distance on the size of the image formed by a ..
Question: Which of the following statements is true about a diverging lens?Options: It always produc..
Question: If the radius of curvature of a lens is 30 cm and the refractive index is 1.5, what is the..
Question: What happens to the image formed by a convex lens when the object is moved closer to the l..
Question: A lens has a power of +5 diopters. What is its focal length?Options: 20 cm25 cm30 cm15 cmC..
Question: What is the magnification produced by a lens if the object distance is 25 cm and the image..
Question: In a two-slit interference pattern, if the distance to the screen is doubled, what happens..
Question: What is the minimum thickness of a soap bubble that appears black in reflected light?Optio..
