Q. What is the primary function of a diode? (2022)
  • A. To amplify current
  • B. To rectify current
  • C. To store charge
  • D. To generate voltage
Q. What is the primary product of nuclear fission? (2019)
  • A. Energy
  • B. Neutrons
  • C. Protons
  • D. Alpha particles
Q. What is the primary product of the fission of Uranium-235? (2019)
  • A. Helium
  • B. Neutrons
  • C. Barium and Krypton
  • D. Carbon
Q. What is the primary product of the fusion of hydrogen nuclei in stars? (2022)
  • A. Helium
  • B. Carbon
  • C. Oxygen
  • D. Nitrogen
Q. What is the primary product of the fusion of hydrogen nuclei? (2022)
  • A. Helium
  • B. Carbon
  • C. Oxygen
  • D. Deuterium
Q. What is the primary reason for the brittleness of certain materials? (2023)
  • A. High ductility
  • B. Low atomic bonding energy
  • C. High atomic bonding energy
  • D. High elasticity
Q. What is the primary reason for the phenomenon of plastic deformation in materials? (2023)
  • A. Elastic limit
  • B. Yield strength
  • C. Ultimate tensile strength
  • D. Ductility
Q. What is the primary reason for the stability of a nucleus? (2022)
  • A. Number of protons
  • B. Number of neutrons
  • C. Ratio of neutrons to protons
  • D. Size of the nucleus
Q. What is the primary source of energy for the Earth? (2022)
  • A. Geothermal energy
  • B. Solar energy
  • C. Nuclear energy
  • D. Wind energy
Q. What is the principal quantum number for an electron in the third energy level? (2019)
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. What is the principle behind a manometer? (2023)
  • A. It measures temperature.
  • B. It measures pressure difference.
  • C. It measures fluid density.
  • D. It measures flow rate.
Q. What is the principle behind a photodiode? (2022)
  • A. Thermal emission
  • B. Photoelectric effect
  • C. P-N junction
  • D. Capacitance
Q. What is the principle behind a thermos flask? (2022)
  • A. Conduction
  • B. Convection
  • C. Radiation
  • D. Insulation
Q. What is the principle behind the operation of a hydraulic lift? (2019)
  • A. Bernoulli's principle
  • B. Archimedes' principle
  • C. Pascal's law
  • D. Newton's law
Q. What is the principle behind the working of a galvanometer? (2023)
  • A. Electromagnetic induction
  • B. Magnetic force on a current-carrying conductor
  • C. Electrostatic force
  • D. Magnetic field lines
Q. What is the principle that states that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure?
  • A. Bernoulli's Principle
  • B. Archimedes' Principle
  • C. Pascal's Law
  • D. Newton's Law
Q. What is the principle that states that the buoyant force on an object is equal to the weight of the fluid displaced by the object?
  • A. Archimedes' Principle
  • B. Pascal's Law
  • C. Bernoulli's Principle
  • D. Newton's Law
Q. What is the principle that states that the pressure in a fluid decreases as the fluid's velocity increases?
  • A. Bernoulli's Principle
  • B. Pascal's Principle
  • C. Archimedes' Principle
  • D. Hydrostatic Principle
Q. What is the process called when a nucleus emits an alpha particle? (2019)
  • A. Beta decay
  • B. Gamma decay
  • C. Alpha decay
  • D. Fission
Q. What is the process called when heat is transferred through a fluid? (2019)
  • A. Conduction
  • B. Convection
  • C. Radiation
  • D. Insulation
Q. What is the process of converting a neutron into a proton called? (2020)
  • A. Beta decay
  • B. Alpha decay
  • C. Gamma decay
  • D. Fission
Q. What is the process of heat transfer through direct contact called? (2022)
  • A. Convection
  • B. Conduction
  • C. Radiation
  • D. Insulation
Q. What is the process of heat transfer through fluid motion called? (2022)
  • A. Conduction
  • B. Convection
  • C. Radiation
  • D. Insulation
Q. What is the process of heat transfer through the movement of fluids called? (2022)
  • A. Conduction
  • B. Convection
  • C. Radiation
  • D. Insulation
Q. What is the purpose of using a vernier caliper? (2019)
  • A. To measure mass
  • B. To measure temperature
  • C. To measure length with high precision
  • D. To measure volume
Q. What is the reactance of an inductor at a frequency of 50 Hz if the inductance is 0.1 H? (2023)
  • A. 31.4 Ω
  • B. 6.28 Ω
  • C. 157 Ω
  • D. 12.56 Ω
Q. What is the reactance of an inductor in an AC circuit with frequency f? (2023)
  • A. 2πfL
  • B. 1/(2πfL)
  • C. L/(2πf)
  • D. 0
Q. What is the relationship between charge (Q), capacitance (C), and voltage (V) in a capacitor? (2023)
  • A. Q = CV
  • B. Q = C/V
  • C. Q = V/C
  • D. Q = C + V
Q. What is the relationship between current (I), charge (Q), and time (t)? (2022)
  • A. I = Q × t
  • B. I = Q / t
  • C. I = t / Q
  • D. I = Q + t
Q. What is the relationship between current (I), voltage (V), and resistance (R) in a circuit? (2021)
  • A. I = V/R
  • B. I = R/V
  • C. I = V*R
  • D. I = V + R
Showing 661 to 690 of 910 (31 Pages)
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