Undergraduate

Q. What is the effect of temperature on chemisorption? (2023)
  • A. Increases with temperature
  • B. Decreases with temperature
  • C. Remains constant
  • D. Depends on the gas
Q. What is the effect of temperature on chemisorption? (2023) 2023
  • A. Increases with temperature
  • B. Decreases with temperature
  • C. Remains constant
  • D. Depends on the gas
Q. What is the effect of temperature on the cell potential according to the Nernst equation?
  • A. Increases with temperature
  • B. Decreases with temperature
  • C. No effect
  • D. Depends on the reaction
Q. What is the effect of temperature on the conductivity of intrinsic semiconductors? (2021)
  • A. Conductivity decreases
  • B. Conductivity remains constant
  • C. Conductivity increases
  • D. Conductivity becomes zero
Q. What is the effect of temperature on the conductivity of semiconductors? (2019)
  • A. Conductivity decreases
  • B. Conductivity remains constant
  • C. Conductivity increases
  • D. Conductivity becomes zero
Q. What is the effect on the fringe separation in a double-slit experiment if the distance between the slits and the screen is increased? (2021)
  • A. Fringe separation decreases
  • B. Fringe separation increases
  • C. Fringe separation remains the same
  • D. Fringe separation becomes zero
Q. What is the effect on the total resistance in a series circuit if one resistor is removed? (2023)
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. What is the efficiency of a Carnot engine operating between 300 K and 600 K? (2022)
  • A. 0.5
  • B. 0.33
  • C. 0.25
  • D. 0.67
Q. What is the efficiency of a Carnot engine operating between 500 K and 300 K? (2022)
  • A. 0.4
  • B. 0.5
  • C. 0.6
  • D. 0.7
Q. What is the efficiency of a Carnot engine operating between a hot reservoir at 600 K and a cold reservoir at 300 K?
  • A. 0.5
  • B. 0.33
  • C. 0.25
  • D. 0.75
Q. What is the efficiency of a Carnot engine operating between temperatures of 500 K and 300 K?
  • A. 0.4
  • B. 0.5
  • C. 0.6
  • D. 0.7
Q. What is the efficiency of a Carnot engine operating between temperatures T1 and T2? (2019) 2019
  • A. (T1 - T2) / T1
  • B. T2 / T1
  • C. (T1 - T2) / T2
  • D. 1 - (T2 / T1)
Q. What is the electric field at a point due to a uniformly charged infinite plane sheet? (2020)
  • A. 0
  • B. σ/2ε₀
  • C. σ/ε₀
  • D. σ/4ε₀
Q. What is the electric field due to a point charge at a distance 'r' from it? (2021)
  • A. k * q / r^2
  • B. k * q / r
  • C. k * q * r
  • D. k * q * r^2
Q. What is the electric field due to a point charge of +3 µC at a distance of 0.3 m?
  • A. 30 N/C
  • B. 90 N/C
  • C. 300 N/C
  • D. 900 N/C
Q. What is the electric field due to a point charge of +5 µC at a distance of 0.2 m? (2022)
  • A. 11250 N/C
  • B. 5625 N/C
  • C. 22500 N/C
  • D. 4500 N/C
Q. What is the electric potential at a point 0.4 m away from a charge of +5 µC?
  • A. 45 V
  • B. 50 V
  • C. 55 V
  • D. 60 V
Q. What is the electric potential at a point due to a charge Q at a distance r? (2021)
  • A. kQ/r
  • B. kQr
  • C. kQ/r^2
  • D. 0
Q. What is the electron configuration of Chromium?
  • A. [Ar] 3d4 4s2
  • B. [Ar] 3d5 4s1
  • C. [Ar] 3d6 4s2
  • D. [Ar] 3d3 4s2
Q. What is the electrostatic potential at a point due to a point charge Q located at a distance r from the charge? (2021)
  • A. kQ/r
  • B. kQr
  • C. kQ/r^2
  • D. kQ^2/r
Q. What is the energy band gap of a typical semiconductor? (2021)
  • A. 0.1 eV
  • B. 1.1 eV
  • C. 2.0 eV
  • D. 3.5 eV
Q. What is the energy of a photon emitted when an electron transitions from n=4 to n=2 in a hydrogen atom? (2019)
  • A. 10.2 eV
  • B. 12.1 eV
  • C. 1.89 eV
  • D. 3.4 eV
Q. What is the energy released in nuclear fusion primarily due to? (2023)
  • A. Mass defect
  • B. Chemical bonds
  • C. Nuclear forces
  • D. Electromagnetic interactions
Q. What is the energy stored in a capacitor of capacitance C charged to a potential V? (2021)
  • A. CV
  • B. 1/2 CV^2
  • C. 1/2 QV
  • D. QV
Q. What is the equation of the line parallel to y = 3x + 4 that passes through the point (2, 5)? (2022)
  • A. y = 3x - 1
  • B. y = 3x + 1
  • C. y = 3x + 2
  • D. y = 3x + 3
Q. What is the equation of the line parallel to y = 3x - 5 that passes through the point (2, 1)?
  • A. y = 3x - 8
  • B. y = 3x + 5
  • C. y = 3x - 1
  • D. y = 3x + 1
Q. What is the equation of the line passing through (0, 0) and (2, 4)? (2019)
  • A. y = 2x
  • B. y = x
  • C. y = 4x
  • D. y = 3x
Q. What is the equation of the line passing through (2, 3) with a slope of 2? (2021)
  • A. y = 2x - 1
  • B. y = 2x + 1
  • C. y = 2x + 3
  • D. y = 2x - 3
Q. What is the equation of the line passing through the points (1, 2) and (3, 4)?
  • A. y = x + 1
  • B. y = 2x
  • C. y = x + 2
  • D. y = 2x - 2
Q. What is the equation of the line passing through the points (1, 2) and (3, 6)?
  • A. y = 2x
  • B. y = 3x - 1
  • C. y = x + 1
  • D. y = 4x - 2
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