Home / General Knowledge / Physics :: section - 7

General Knowledge :: Physics

  1. The unit of energy in MKS system is

  2. A.

     Joule

    B.

     Ohm

    C.

     Erg

    D.

     Volt

    View Answer

    Workspace

    Discuss Discuss in Forum


  3. One light year is equal to

  4. A.

     2 trillion miles

    B.

     6 trillion miles

    C.

     8 trillion miles

    D.

     9 trillion miles

    View Answer

    Workspace

    Discuss Discuss in Forum


  5. Parsec is the unit of

  6. A.

     Distance

    B.

     Time

    C.

     Intensity of light

    D.

     Magnetic line

    View Answer

    Workspace

    Discuss Discuss in Forum


  7. One nanometer is equal to ________ meters.

  8. A.

     10 raised to the power (-3)

    B.

     10 raised to the power (-6)

    C.

     10 raised to the power (-9)

    D.

     10 raised to the power (-12)

    View Answer

    Workspace

    Discuss Discuss in Forum


  9. The Length of the Day is determined in

  10. A.

     Length of the hours

    B.

     Length of the year

    C.

     Astronomical units

    D.

     Solar terms

    View Answer

    Workspace

    Discuss Discuss in Forum


  11. Which of the following pairs of physical quantities have the same dimensions?

  12. A.

     Force and Power

    B.

     Work and Power

    C.

     Work and Energy

    D.

     Momentum and Power

    View Answer

    Workspace

    Discuss Discuss in Forum


  13. What is the fundamental unit of amount of a substance?

  14. A.

     Mole

    B.

     Candela

    C.

     Kelvin

    D.

     Meter

    View Answer

    Workspace

    Discuss Discuss in Forum


  15. The motion of a body that repeats itself after a regular interval of time is

  16. A.

     A periodic motion

    B.

     A simple harmonic motion

    C.

     An aperiodic motion

    D.

     An oscillatory motion

    View Answer

    Workspace

    Discuss Discuss in Forum


  17. Negative acceleration is in the opposite direction of:

  18. A.

     Force

    B.

     Distance

    C.

     Velocity

    D.

     Momentum

    View Answer

    Workspace

    Discuss Discuss in Forum


  19. If an object moves with constant velocity,

  20. A.

     It must have constant speed

    B.

     It must have constant direction

    C.

     It must have constant speed in constant direction

    D.

     None of the above

    View Answer

    Workspace

    Discuss Discuss in Forum