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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..
Question: What happens to the photoelectric current if the voltage across the electrodes is increase..
Question: If a metal has a work function of 3 eV, what is the maximum wavelength of light that can c..
Question: What is the maximum kinetic energy of photoelectrons if the incident light has a frequency..
Question: What is the result of interference when two waves of equal amplitude and opposite phase co..
Question: In a thin film of oil on water, which color will appear bright if the film thickness is su..
Question: If a company has a budgeted overhead of $60,000 and actual overhead of $70,000, what is th..
Question: Which logic gate outputs true only when all inputs are true?Options: ANDORNOTNANDCorrect A..
Question: In a diffraction pattern, the intensity of the central maximum is typically:Options: ZeroM..
Question: What is the effect of an increase in variable costs on the break-even point?Options: It de..
Question: If a company has a contribution margin of $30 per unit and fixed costs of $90,000, how man..
Question: In a standard costing system, what is the purpose of setting standard costs?Options: To pr..
Question: If the budgeted fixed costs are $50,000 and the actual fixed costs are $55,000, what is th..
Question: In variance analysis, what is the formula for calculating the sales volume variance?Option..
Question: If a company has a static budget of $100,000 for 10,000 units and actual production is 12,..
Question: Which of the following colors of light has the shortest wavelength?Options: RedGreenBlueVi..
Question: What is the image distance for a convex lens if the object is placed at 30 cm and the foca..
Question: In the photoelectric effect, what is the relationship between the energy of the incident p..
Question: What is the effect of increasing the intensity of light on the energy of emitted electrons..
Question: What happens to the kinetic energy of emitted electrons if the frequency of incident light..
Question: What is the main application of nuclear fusion?Options: Nuclear power plantsAtomic bombsHy..
Question: What is the principle behind nuclear fission?Options: Splitting of heavy nucleiCombining o..
Question: What is the primary type of radiation emitted by uranium-238?Options: Alpha radiationBeta ..
Question: What is the primary force that holds the nucleus of an atom together?Options: Electromagne..
