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12th Standard Physics English Medium Free Online Test Creative One Mark questions with Answer Key - Part Two

12th Standard

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Physics

Time : 00:10:00 Hrs
Total Marks : 10
    Answer all the questions
    10 x 1 = 10
  1. The concept of 'Field' was introduced by ___________

    (a)

    Faraday

    (b)

    Gauss

    (c)

    Maxwell

    (d)

    None

  2. A condenser is charged to a potential of 200V and has a charge of 0.1C. The energy stored in it is _____________

    (a)

    1 J

    (b)

    2 J

    (c)

    10 J

    (d)

    20 J

  3. If the specific resistance of a potentiometer wire is 10-7 Om and current flowing through it is 0.1 amp, cross-sectional area of wire is 10-6 m2, then potential gradient will be ________________.

    (a)

    10-2 v/m

    (b)

    10-4 v/m

    (c)

    10-6 v/m

    (d)

    10-8v/m

  4. Which of the following is an identical?

    (a)

    germanium, silicon

    (b)

    silver, wood

    (c)

    aluminum, constantan

    (d)

    bakelite, iron

  5. The resistance of the wire varies inversely as _________________.

    (a)

    area of cross section

    (b)

    resistivity

    (c)

    length

    (d)

    temperature

  6. The most suitable metal for permanent magnet is ______________.

    (a)

    copper

    (b)

    aluminium

    (c)

    steel

    (d)

    iron

  7. The expression for water equivalent is _____________.

    (a)

    W = H (θ21)

    (b)

    W = \(\frac { { \theta }_{ 2 }-{ \theta }_{ 1 } }{ H } \)

    (c)

    both (a) and (b)

    (d)

    W = \(\frac { H }{ { \theta }_{ 2 }-{ \theta }_{ 1 } } \)

  8. The direction of magnetic dipole moment is ______

    (a)

    from South pole to North pole

    (b)

    from North to South pole

    (c)

    from East to West

    (d)

    from West to East

  9. Which current- time graph represents the steady movement of short magnet through a coil XY?

    (a)

    (b)

    (c)

    (d)

  10. If the frequency of light in a photo electron experiment is doubled the stopping potential will ______________.

    (a)

    be doubled

    (b)

    be halved

    (c)

    become more than double

    (d)

    become less than double.

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