Major Competitive Exams

Download Q&A
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 expansion if it expands from 2 L to 5 L at a pressure of 3 atm? (2022)
  • A. 9 J
  • B. 12 J
  • C. 15 J
  • D. 18 J
Q. What is the work done by an ideal gas during an isobaric expansion if the pressure is 5 atm and the volume changes from 2 L to 5 L? (2019)
  • A. 15 L·atm
  • B. 10 L·atm
  • C. 5 L·atm
  • D. 20 L·atm
Q. What is the work done by an ideal gas during an isobaric expansion? (2019)
  • A. PΔV
  • B. ΔU
  • C. Q
  • D. 0
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 from volume V1 to V2 at temperature T? (2021)
  • A. nRT ln(V2/V1)
  • B. nRT (V2 - V1)
  • C. PV
  • D. 0
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 an ideal gas during isothermal expansion? (2021)
  • A. 0
  • 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 5V?
  • A. 10 μJ
  • B. 5 μJ
  • C. 2 μJ
  • D. 1 μJ
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 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 done on a gas during an isothermal compression? (2019)
  • A. Positive
  • B. Negative
  • C. Zero
  • D. Depends on the volume
Q. What is the work done on a gas when it is compressed from 4 L to 2 L at a constant pressure of 2 atm?
  • A. 4 L·atm
  • B. 2 L·atm
  • C. 8 L·atm
  • D. 0 L·atm
Q. What is the work done on a gas when it is compressed from 5 L to 2 L at a constant pressure of 200 kPa? (2022)
  • A. 600 J
  • B. 800 J
  • C. 1000 J
  • D. 1200 J
Q. What is the work done when 1 mole of an ideal gas expands isothermally from 10 L to 20 L at a temperature of 300 K? (2020)
  • A. 1.5 kJ
  • B. 2.5 kJ
  • C. 3.5 kJ
  • D. 4.5 kJ
Q. What is the work done when 1 mole of an ideal gas expands isothermally from 10 L to 20 L at 300 K? (R = 8.31 J/mol·K) (2023)
  • A. 0 J
  • B. 830 J
  • C. 1660 J
  • D. 2490 J
Q. What is the work done when 1 mole of an ideal gas expands isothermally from 10 L to 20 L at 300 K? (2022)
  • A. 300 J
  • B. 600 J
  • C. 150 J
  • D. 0 J
Q. What is the work done when a 50 N force moves an object 3 m in the direction of the force?
  • A. 150 J
  • B. 100 J
  • C. 50 J
  • D. 200 J
Showing 16831 to 16860 of 21651 (722 Pages)
Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely