Quiz: Physics Ultimate Exam Trivia!

20 Questions | Total Attempts: 83

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Physics Quizzes & Trivia

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Questions and Answers
  • 1. 
    Which of the following has no units?
    • A. 

      Thermal capacity

    • B. 

      Tensile strain 

    • C. 

      Acceleration

    • D. 

      Impulse

  • 2. 
    Candela is the unit of …………………
    • A. 

      Magnetic flux

    • B. 

      Intensity of electric field

    • C. 

      Luminous intensity  

    • D. 

      Charge

  • 3. 
    Which of the following is not a physical quantity?
    • A. 

      All of the above

    • B. 

      Candela

    • C. 

      Henry

    • D. 

      Kelvin

  • 4. 
    Which one is not a dimension?
    • A. 

      Length

    • B. 

      Mass

    • C. 

      Time

    • D. 

      Kelvin

  • 5. 
    Which of the following is NOT a method to reduce friction?
    • A. 

      By Lubrication

    • B. 

      By Polishing

    • C. 

      Throwing sand on the Ground

    • D. 

      None of the above

  • 6. 
    Friction between moving parts of machine causes
    • A. 

      Heat

    • B. 

      Light

    • C. 

      Energy

    • D. 

      Oil

  • 7. 
    The force of friction depends on 
    • A. 

      Nature of surface of contact

    • B. 

      Materials of objects in contact

    • C. 

      A & B

    • D. 

      None of the Above

  • 8. 
    The body will move only when
    • A. 

      Force of friction = applied force

    • B. 

      Force of friction < applied force

    • C. 

      Force of friction > applied force

    • D. 

      All of the above

  • 9. 
    Different types of surfaces create different amount of friction
    • A. 

      True

    • B. 

      False

  • 10. 
    A sledge is pulled 10m by a force 40N.what is the work done?
    • A. 

      400 Nm

    • B. 

      650 Nm

    • C. 

      657 Nm

    • D. 

      740 Nm

  • 11. 
    Calculate the potential energy of Dam if the height is 200m and the mass of the water is 5kg (g=10m/s2)
    • A. 

      56 KJ

    • B. 

      50 KJ

    • C. 

      30 KJ

    • D. 

      10 KJ

  • 12. 
    A girl whose mass is 40kg walks up a flight of 20 steps each 150mm height in 10secs.find the average power developed (g=10m/s2)
    • A. 

      450 W

    • B. 

      325 W

    • C. 

      120 W

    • D. 

      12 W

  • 13. 
    A body of mass 4kg moves through a distance 80m, calculate the work done on the body. (g=10m/s2)
    • A. 

      6.2 KJ

    • B. 

      3.2 KJ

    • C. 

      3.0 KJ

    • D. 

      1.4 KJ

  • 14. 
    An engine raises 100kg of water through a height 60m in 20sec.what is the power of the engine. (g=10m/s2)
    • A. 

      8 KW

    • B. 

      3 KW

    • C. 

      2 KW

    • D. 

      1.4 KW

  • 15. 
    1.  If 2 resistors of 5kΩ and 7kΩ are connected in series across a 15V battery, then the current flowing through each of the resistance should be
    • A. 

      2 mA

    • B. 

      3.6 mA

    • C. 

      5 mA

    • D. 

      1.25 mA

  • 16. 
    1. A car fuse marked 3A operates optimally on 12V battery. calculate the resistance of the fuse
    • A. 

      3 4Ω

    • B. 

      4Ω

    • C. 

      6Ω

    • D. 

      9Ω

  • 17. 
    The opposing capacity of materials against the current flow is
    • A. 

      Resistance

    • B. 

      Inductance

    • C. 

      Susceptance

    • D. 

      Conductance

  • 18. 
    Which of the following factors does not affect the electrical resistance of a wire?
    • A. 

      Length

    • B. 

      Mass

    • C. 

      Temperature

    • D. 

      Cross-sectional area

  • 19. 
    An electrician wishes to cut a copper wire (ρ=1.724∗10−8Ωm) that has no more than 10Ω of resistance. The wire has a radius of 0.725mm. Approximately what length of wire has a resistance equal to the maximum 10Ω ?
    • A. 

      960 M

    • B. 

      478 M

    • C. 

      356 M

    • D. 

      200 M

  • 20. 
    A rod 150cm long and of diameter 2cm is subjected to an axial pull of 20kN. What will be the stress?
    • A. 

      60 N/mm2

    • B. 

      65 N/mm2

    • C. 

      63.6 N/mm2

    • D. 

      71.2 N/mm2