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Question: What is the work function of a metal?Options: The energy required to ionize an atomThe ene..
Question: In the photoelectric effect, what happens to the kinetic energy of emitted electrons if th..
Question: What is the primary application of nuclear fusion in stars?Options: Energy productionNucle..
Question: In nuclear reactions, what is the term for the energy required to remove a nucleon from th..
Question: Which type of radiation consists of helium nuclei?Options: Alpha radiationBeta radiationGa..
Question: What is the approximate energy released in MeV during the fission of one uranium-235 nucle..
Question: What is the process called when a heavy nucleus splits into two lighter nuclei?Options: Nu..
Question: Which of the following particles is not found in the nucleus of an atom?Options: ProtonNeu..
Question: In a nuclear reaction, what is the term for the mass difference between the reactants and ..
Question: Which logic gate outputs true only when both inputs are false?Options: ANDORNANDNORCorrect..
Question: What is the output of an OR gate when both inputs are low?Options: 012UndefinedCorrect Ans..
Question: If A = 1 and B = 1, what is the output of the AND gate?Options: 012UndefinedCorrect Answer..
Question: What is the Nyquist rate in communication systems?Options: The minimum sampling rate to av..
Question: What is the role of a demodulator in a communication system?Options: To amplify the receiv..
Question: In amplitude modulation (AM), what does the amplitude of the carrier wave represent?Option..
Question: What is the primary purpose of modulation in communication systems?Options: To increase th..
Question: What is the energy of a photon with a wavelength of 500 nm?Options: 3.98 eV2.48 eV1.24 eV0..
Question: Which quantum number describes the orientation of an orbital?Options: Principal quantum nu..
Question: What is the maximum number of electrons that can occupy a single p subshell?Options: 26101..
Question: In a hydrogen atom, which transition would emit the highest energy photon?Options: n=2 to ..
Question: What is the principal quantum number for an electron in the 4th shell?Options: 1234Correct..
Question: Which of the following statements about the Bohr model of the hydrogen atom is correct?Opt..
Question: What is the maximum wavelength of light that can cause the photoelectric effect in a metal..
Question: What is the main reason for the stability of the nucleus in an atom?Options: Electromagnet..
Question: What is the phenomenon called when an electron transitions from a higher energy level to a..
Question: In a hydrogen atom, what is the energy of the electron in the n=2 state?Options: -3.4 eV-1..
Question: In the photoelectric effect, the kinetic energy of the emitted electrons depends on which ..
Question: In which direction does the magnetic field point inside a current-carrying loop?Options: O..
Question: What is the shape of the magnetic field lines around a bar magnet?Options: Straight linesC..
Question: What is the effect of increasing the current in a coil on the magnetic field strength?Opti..
