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11th Standard Physics English Medium Free Online Test Creative 1 Mark Questions - Part Four

11th Standard

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Physics

Time : 00:10:00 Hrs
Total Marks : 10

    Answer all the questions

    10 x 1 = 10
  1. A scientific way of doing things involve:

    (a)

    identifying the problem

    (b)

    collecting data

    (c)

    controlled experimentation

    (d)

    all the above

  2. The numerical ratio of average velocity to average speed is:

    (a)

    <1

    (b)

    =1

    (c)

    ≤1

    (d)

    =0

  3. The angle between anti parallel vectors is

    (a)

    0o

    (b)

    90o

    (c)

    180o

    (d)

    0 (or) 180o

  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. The accelerated train is an example for

    (a)

    inertial frame

    (b)

    non-inertial frame

    (c)

    both (a) and (b)

    (d)

    none of the above

  6. A motor which is capable of raising 2,000 litres of water in 3 mins from a well 120 m deep. So what is the power of a motor?

    (a)

    8.730 kW

    (b)

    7.840 kW

    (c)

    11.652kW

    (d)

    13.066kW

  7. Two masses of 1g and 4g arc moving with equal kinetic energy. The ratio of the magnitudes of their linear momenta is

    (a)

    1: 4

    (b)

    \(\sqrt 2:1\)

    (c)

    1: 2

    (d)

    1: 16

  8. Conservative force is

    (a)

    electrostatic force

    (b)

    magnetic force

    (c)

    gravitational force

    (d)

    all the above

  9. The reduced mass of two particles having masses m and 2m is:

    (a)

    2m

    (b)

    3m

    (c)

    2m/3

    (d)

    m/2

  10. A wheel of radius 0.5 m is mounted so as to rotate about a horizontal axis through its centre. A string of negligible mass wrapped over the circumference carries a mass of 2 -kg attached at its free end. If the mass descends from rest through one metre in 5 seconds, then the angular velocity at the end of 5th second is

    (a)

    0.2 rad/s

    (b)

    0.4 rad/s

    (c)

    0.8 rad/s

    (d)

    0.6 rad/s

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