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11th Standard English Medium Physics Subject Laws of Motion Creative 1 Mark Questions with Solution Part - II

11th Standard

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Physics

Time : 00:30:00 Hrs
Total Marks : 5
    5 x 1 = 5
  1. The motion of a rocket is based on the principle of conservation of _____________.

    (a)

    Linear momentum

    (b)

    K.E

    (c)

    Mass

    (d)

    Angular momentum

  2. A simple pendulum is set up in a trolley which is moving with an acceleration 'a' on a horizontal plane. Then the thread of the pendulum in the mean position makes an angle with the vertical equal to _____________.

    (a)

    tan-1(a/g) in the forward direction

    (b)

    tan-1(a/g) in the backward direction

    (c)

    tan-1(g/a) in the forward direction

    (d)

    tan-1(g/a) in the backward direction

  3. A marble block of mass 3 kg lying on ice when given a velocity of 5 ms-1 is stopped by friction in 10s. Then the coefficient of friction is ______________.

    (a)

    0.01

    (b)

    0.05

    (c)

    0.03

    (d)

    0.06

  4. A particle revolves round a circular pattern. The acceleration of the particle is inversely proportional to ______________

    (a)

    Velocity

    (b)

    Radius

    (c)

    Mass of the particle

    (d)

    a&c

  5. A stone tied to a string is rotated with a uniform speed in vertical plane. If mass of the stone is m, length of the string is r and linear speed of the stone is v, then tension in the string, when the stone is at its lowest point is ______________

    (a)

    mg

    (b)

    \(\frac { { mv }^{ 2 } }{ r } -mg\)

    (c)

    \(\frac { { mv }^{ 2 } }{ r } \)

    (d)

    \(\frac { { mv }^{ 2 } }{ r } +mg\)

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