Q. What is the work done by a gas during expansion at constant pressure?
  • A. PΔV
  • B. ΔU
  • C. Q
  • D. 0
Q. What is the work done by a gas during isothermal expansion?
  • A. Zero
  • B. Depends on the temperature
  • C. Is equal to the heat absorbed
  • D. Is equal to the change in internal energy
Q. What is the work done by an ideal gas during an isobaric process?
  • A. PΔV
  • B. nRT
  • C. 0
  • D. nRΔT
Q. What is the work done by an ideal gas during an isothermal expansion from volume Vi to Vf?
  • A. nRT ln(Vf/Vi)
  • B. nR(Tf - Ti)
  • C. Zero
  • D. nRT
Q. What is the work done by an ideal gas during an isothermal expansion?
  • A. Zero
  • B. nRT ln(Vf/Vi)
  • C. nRT (Vf - Vi)
  • D. nR (Tf - Ti)
Q. What is the work done by friction when a 5 kg block slides 2 m on a surface with a coefficient of kinetic friction of 0.4?
  • A. -4 N·m
  • B. -8 N·m
  • C. -10 N·m
  • D. -20 N·m
Q. What is the work done by the system during an isochoric process?
  • A. Positive
  • B. Negative
  • C. Zero
  • D. Depends on the temperature
Q. What is the work done by the system in an isochoric process?
  • A. Positive
  • B. Negative
  • C. Zero
  • D. Depends on the temperature
Q. What is the work done by the system when it expands against a constant external pressure?
  • A. PΔV
  • B. ΔU
  • C. Q
  • D. PΔT
Q. What is the work done in moving a charge of +2μC from a point A to B in a uniform electric field of 500 N/C over a distance of 0.4m?
  • A. 400 J
  • B. 200 J
  • C. 100 J
  • D. 80 J
Q. What is the work done in moving a charge of +2μC through a potential difference of 10V?
  • A. 20 μJ
  • B. 200 μJ
  • C. 2 μJ
  • D. 0.2 μJ
Q. What is the work done in moving a charge of +2μC through a potential difference of 5V?
  • A. 10 μJ
  • B. 5 μJ
  • C. 2 μJ
  • D. 1 μJ
Q. What is the work done in moving a charge of 2 μC from a point at 50 V to a point at 100 V?
  • A. 0.1 mJ
  • B. 0.2 mJ
  • C. 0.3 mJ
  • D. 0.4 mJ
Q. What is the work done in moving a charge of 2 μC from a point at 50 V to another at 100 V?
  • A. 100 μJ
  • B. 200 μJ
  • C. 150 μJ
  • D. 50 μJ
Q. What is the work done in moving a mass from a point A to point B in a uniform gravitational field?
  • A. Depends on the path taken
  • B. Zero
  • C. Equal to the change in gravitational potential energy
  • D. Equal to the gravitational force times distance
Q. What is the work done in moving an object from a point A to point B in a uniform gravitational field?
  • A. Depends on the path taken
  • B. Zero
  • C. Depends on the mass of the object
  • D. Depends on the height difference
Q. What is the work done in moving an object from one point to another in a gravitational field?
  • A. Depends on the path taken
  • B. Is always zero
  • C. Depends only on the initial and final positions
  • D. Is maximum at the highest point
Q. What is the work done on a gas during an isochoric process?
  • A. Positive
  • B. Negative
  • C. Zero
  • D. Depends on the gas
Q. What is the work function of a metal if the threshold frequency is 5 x 10^14 Hz?
  • A. 3.1 eV
  • B. 2.5 eV
  • C. 4.1 eV
  • D. 1.6 eV
Q. What is the work function of a metal?
  • A. The energy required to ionize an atom
  • B. The energy required to remove an electron from the surface of a metal
  • C. The energy of the emitted electrons
  • D. The energy of the incident photons
Q. What is the work-energy theorem?
  • A. Work done is equal to change in momentum
  • B. Work done is equal to change in kinetic energy
  • C. Work done is equal to change in potential energy
  • D. Work done is equal to change in total energy
Q. What is the x-intercept of the line 3x + 4y - 12 = 0?
  • A. 0
  • B. 3
  • C. 4
  • D. 12
Q. What is the y-intercept of the line 5x + 2y - 10 = 0?
  • A. 5
  • B. 10
  • C. 2
  • D. 0
Q. What is the y-intercept of the line represented by the equation 5x + 2y = 10?
  • A. 5
  • B. 2
  • C. 0
  • D. 10
Q. What phenomenon occurs when a liquid rises in a narrow tube against gravity?
  • A. Viscosity
  • B. Surface tension
  • C. Capillarity
  • D. Hydrostatic pressure
Q. What role do enzymes play in biological systems?
  • A. They provide structural support
  • B. They act as catalysts for biochemical reactions
  • C. They store genetic information
  • D. They transport molecules across membranes
Q. What type of adsorption is characterized by the formation of strong chemical bonds?
  • A. Physisorption
  • B. Chemisorption
  • C. Desorption
  • D. Multilayer adsorption
Q. What type of adsorption occurs when the adsorbate forms strong chemical bonds with the adsorbent?
  • A. Physisorption
  • B. Chemisorption
  • C. Desorption
  • D. Sorption
Q. What type of alcohol is isopropanol?
  • A. Primary
  • B. Secondary
  • C. Tertiary
  • D. None of the above
Q. What type of biomolecule are enzymes classified as?
  • A. Carbohydrates
  • B. Proteins
  • C. Lipids
  • D. Nucleic acids
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