Physics Trivia: MCQ Exam! Quiz

20 Questions | Total Attempts: 91

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Physics Quizzes & Trivia

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Questions and Answers
  • 1. 
    Which of the following is more accurate?
    • A. 

      30.0

    • B. 

      40.0

    • C. 

      33.0

    • D. 

      10.0

  • 2. 
    The number of significant figures in 333 is?
    • A. 

      Infinite

    • B. 

      3

    • C. 

      2

    • D. 

      0

  • 3. 
    The result of an instrument is 466, what is its least count?
    • A. 

      100

    • B. 

      1

    • C. 

      10

    • D. 

      0

  • 4. 
    Which one is the right formula?
    • A. 

      V=sqrrt(gs)

    • B. 

      V=g/s

    • C. 

      S=v/g

    • D. 

      Option 4

  • 5. 
    If s=6.666cm and r=6.6 then the angle will be:
    • A. 

      1 rad

    • B. 

      1.0 rad

    • C. 

      1.00 rad

    • D. 

      1.000 rad

  • 6. 
    The angle made by the minute hand of a watch in 30 minutes is?
    • A. 

      Pi radian

    • B. 

      60

    • C. 

      45

    • D. 

      90

  • 7. 
    A sphere has a radius of 10 cm, the angle subtended by 300 sq-cm of its area at the center is:
    • A. 

      3 steradians

    • B. 

      3 radians

    • C. 

      3pi steradians

    • D. 

      3pi radians

  • 8. 
    100 Amstrong in microns is equal to:
    • A. 

      10

    • B. 

      0.1

    • C. 

      0.01

    • D. 

      0.01

  • 9. 
    A body cover distance equal to three times radius of the earth along a circular track, the angle subtended at the center of the circle is
    • A. 

      104

    • B. 

      156

    • C. 

      172

    • D. 

      244

  • 10. 
    Circumference of a circle is 50m. the angle subtended by an arc of 2m will be:
    • A. 

      Pi/2 radian

    • B. 

      Pi/25 rad

    • C. 

      2pi/25 radian

    • D. 

      Pi/50 rad

  • 11. 
    The surface area of 16 sq.meter of sphere portion make one ste radian,  the diameter of the sphere will be?
    • A. 

      4 sq cm

    • B. 

      8 sq cm

    • C. 

      2 sq cm

    • D. 

      64 sq cm

  • 12. 
    The surface area of 10 sq cm of closed surface area 100 sq cm will subtend an angle at the center?
    • A. 

      2pi/5 steradian

    • B. 

      4pi/5 steradian

    • C. 

      Pi/5 steradian

    • D. 

      4pi steradian

  • 13. 
    A single surface of regular cube make an angle iwth center.
    • A. 

      2pi/3 steradian

    • B. 

      Pi/3 steradian

    • C. 

      4pi/3 steradian

    • D. 

      None of these

  • 14. 
    What is the dimension of P in equation y=X sin(PQ) if the dimension of q is L/T?
    • A. 

      Dimensionless

    • B. 

      T/L

    • C. 

      LT

    • D. 

      L/T

  • 15. 
    The percentage uncertainty in the volume of a sphere is 30%, then uncertainty in its area will be?
    • A. 

      10%

    • B. 

      20%

    • C. 

      30%

    • D. 

      60%

  • 16. 
    If R=2+2% then absolute uncertainty will be:
    • A. 

      0.02

    • B. 

      0.01

    • C. 

      0.04

    • D. 

      1

  • 17. 
    The radius of a sphere is 5.0 cm the relative uncertainty in its volume is?
    • A. 

      2%

    • B. 

      3%

    • C. 

      6%

    • D. 

      8%

  • 18. 
    The result of 3.12 x 56.14 x 3.001
    • A. 

      Infinite

    • B. 

      2

    • C. 

      3

    • D. 

      0

  • 19. 
    The number of a significant figure in 444 are?
    • A. 

      3

    • B. 

      1

    • C. 

      0

    • D. 

      Infinite

  • 20. 
    1.2 g/cm3 =  ___________________ kg/m3
    • A. 

      1200

    • B. 

      12000

    • C. 

      120

    • D. 

      12