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Question: In a double-slit experiment, if the distance between the slits is doubled, what happens to..
Question: What is the focal length of a concave lens if it forms a virtual image at a distance of 20..
Question: What is the role of a transistor in electronic circuits?Options: SwitchingAmplificationSig..
Question: In a p-n junction diode, what happens when it is reverse-biased?Options: Current flows fre..
Question: What is the primary function of a diode in a circuit?Options: AmplificationRectificationCa..
Question: What is the band gap energy of silicon at room temperature?Options: 0.1 eV1.1 eV2.0 eV3.5 ..
Question: Which of the following is a characteristic of intrinsic semiconductors?Options: High condu..
Question: What is the effect of doping a semiconductor with donor atoms?Options: Increases hole conc..
Question: In a p-n junction, what is the region called where no charge carriers are present?Options:..
Question: What happens to the conductivity of a semiconductor as temperature increases?Options: Incr..
Question: Which of the following materials is commonly used as a p-type semiconductor?Options: Silic..
Question: What is the primary charge carrier in n-type semiconductors?Options: HolesElectronsProtons..
Question: If a metal has a work function of 2.0 eV, what is the maximum kinetic energy of the emitte..
Question: Which phenomenon demonstrates the particle nature of light in the context of the photoelec..
Question: What is the relationship between the number of emitted electrons and the intensity of ligh..
Question: In a photoelectric experiment, if the stopping potential is increased, what happens to the..
Question: If the work function of a metal is 4.5 eV, what is the threshold wavelength for the photoe..
Question: What is the effect of increasing the wavelength of incident light on the photoelectric eff..
Question: Which of the following statements is true regarding the photoelectric effect?Options: Elec..
Question: In the photoelectric effect, what happens to the kinetic energy of the emitted electrons i..
Question: If the intensity of light is doubled while keeping the frequency constant, what happens to..
Question: What is the minimum frequency of light required to eject electrons from a metal surface in..
Question: What is the primary product of a nuclear fusion reaction in stars?Options: HeliumHydrogenC..
Question: What is the main difference between nuclear fusion and nuclear fission?Options: Fusion com..
Question: What is the primary use of nuclear fission in power plants?Options: To produce nuclear wea..
Question: Which of the following is a characteristic of beta decay?Options: Emission of alpha partic..
Question: What type of radiation is emitted during alpha decay?Options: ElectronsHelium nucleiGamma ..
Question: What is the binding energy of a nucleus?Options: Energy required to remove a nucleonEnergy..
Question: Which of the following particles is not a nucleon?Options: ProtonNeutronElectronAlpha part..
Question: What is the half-life of a radioactive substance?Options: The time taken for half of the s..
