Q. Which of the following is the correct representation of 0.001 in scientific notation? (2023)
  • A. 1 x 10^-3
  • B. 1 x 10^3
  • C. 1 x 10^1
  • D. 1 x 10^-1
Q. Which of the following is the correct representation of the unit of energy? (2019)
  • A. Joule
  • B. Newton-meter
  • C. Both A and B
  • D. None of the above
Q. Which of the following is the correct unit for measuring frequency? (2022)
  • A. Hertz
  • B. Joule
  • C. Watt
  • D. Newton
Q. Which of the following is the correct unit for measuring pressure? (2020)
  • A. Pascal
  • B. Joule
  • C. Newton
  • D. Watt
Q. Which of the following is the correct unit for pressure? (2020)
  • A. Pascal
  • B. Joule
  • C. Newton
  • D. Watt
Q. Which of the following is true about brittle materials? (2023)
  • A. They can undergo large deformations
  • B. They exhibit high ductility
  • C. They fracture without significant plastic deformation
  • D. They are always elastic
Q. Which of the following is true about the shear modulus of a material? (2023)
  • A. It measures the material's response to shear stress
  • B. It is always greater than Young's modulus
  • C. It is independent of temperature
  • D. It is the same as bulk modulus
Q. Which of the following is used to create a p-n junction? (2020)
  • A. Doping
  • B. Ionization
  • C. Sublimation
  • D. Condensation
Q. Which of the following isotopes is commonly used in nuclear reactors? (2021)
  • A. Uranium-238
  • B. Carbon-12
  • C. Hydrogen-1
  • D. Oxygen-16
Q. Which of the following materials has the highest tensile strength? (2020)
  • A. Steel
  • B. Aluminum
  • C. Copper
  • D. Rubber
Q. Which of the following materials has the highest thermal conductivity? (2020)
  • A. Copper
  • B. Wood
  • C. Glass
  • D. Air
Q. Which of the following materials is a common intrinsic semiconductor? (2020)
  • A. Copper
  • B. Silicon
  • C. Aluminum
  • D. Iron
Q. Which of the following materials is a good conductor of electricity? (2019)
  • A. Rubber
  • B. Copper
  • C. Glass
  • D. Wood
Q. Which of the following materials is commonly used as a dielectric in capacitors? (2023)
  • A. Copper
  • B. Glass
  • C. Iron
  • D. Aluminum
Q. Which of the following materials is considered a ferromagnetic material? (2021)
  • A. Copper
  • B. Aluminum
  • C. Iron
  • D. Gold
Q. Which of the following materials is considered a good conductor of electricity? (2022)
  • A. Rubber
  • B. Copper
  • C. Wood
  • D. Glass
Q. Which of the following phenomena is NOT associated with waves? (2023)
  • A. Interference
  • B. Diffraction
  • C. Refraction
  • D. Conduction
Q. Which of the following phenomena is responsible for the bending of light when it passes from one medium to another? (2020)
  • A. Reflection
  • B. Refraction
  • C. Diffraction
  • D. Dispersion
Q. Which of the following processes involves a change of state without a change in temperature? (2018)
  • A. Heating
  • B. Cooling
  • C. Melting
  • D. Boiling
Q. Which of the following processes involves the emission of a positron? (2019)
  • A. Alpha decay
  • B. Beta decay
  • C. Gamma decay
  • D. Neutron capture
Q. Which of the following processes involves the transfer of heat through a fluid? (2021)
  • A. Conduction
  • B. Convection
  • C. Radiation
  • D. Insulation
Q. Which of the following processes involves the transfer of heat through the movement of fluids? (2021)
  • A. Conduction
  • B. Convection
  • C. Radiation
  • D. Insulation
Q. Which of the following quantities has dimensions of M^0L^2T^-2? (2021)
  • A. Energy
  • B. Pressure
  • C. Area
  • D. Velocity
Q. Which of the following quantities has no dimension? (2023)
  • A. Angle
  • B. Force
  • C. Velocity
  • D. Acceleration
Q. Which of the following quantities has the dimension M^0L^1T^-1? (2021)
  • A. Velocity
  • B. Acceleration
  • C. Force
  • D. Work
Q. Which of the following quantities has the dimension M^1L^2T^-2? (2019)
  • A. Work
  • B. Power
  • C. Energy
  • D. Force
Q. Which of the following quantities is a vector? (2019)
  • A. Speed
  • B. Distance
  • C. Displacement
  • D. Mass
Q. Which of the following quantities is conserved in an isolated system? (2023)
  • A. Energy
  • B. Momentum
  • C. Mass
  • D. All of the above
Q. Which of the following quantum numbers describes the shape of an atomic orbital? (2022)
  • A. Principal quantum number
  • B. Azimuthal quantum number
  • C. Magnetic quantum number
  • D. Spin quantum number
Q. Which of the following represents a systematic error? (2020)
  • A. Calibration error
  • B. Random fluctuations
  • C. Environmental changes
  • D. Human error
Showing 841 to 870 of 902 (31 Pages)
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