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

11th Standard

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Physics

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

    Answer all the questions

    10 x 1 = 10
  1. one parallactic second is,

    (a)

    3.08 x 1016 m

    (b)

    1.49 x 1011 m

    (c)

    9.46 x 1015 m

    (d)

    1.66 x 10-27 m

  2. Which of the following is having same dimensional formula?

    (a)

    Work and power

    (b)

    Radius of gyration and displacement

    (c)

    Impulse and force

    (d)

    Frequencies and wavelength

  3. The cross product of two vectors,\(\vec A\times\vec B\) is

    (a)

    AB cosθ

    (b)

    \(ABsin\theta\hat n\)

    (c)

    AB sinθ

    (d)

    \(ABcos\theta\hat n\)

  4. The scalar product of two vectors will be minimum. When \(\theta\) is equal to

    (a)

    0o

    (b)

    45o

    (c)

    180o

    (d)

    60o

  5. A 1 kg stationary bomb is exploded in three parts having mass 1 : 1 :3 respectively. Parts having same mass move in perpendicular direction with velocity 30 m/s, then the velocity of bigger part will be

    (a)

    10\(\sqrt { 2 } \).

    (b)

    \(\frac { 10 }{ \sqrt { 2 } } \) m/sec

    (c)

    15\(\sqrt { 2 } \).

    (d)

    \(\frac { 15 }{ \sqrt { 2 } } \)

  6. The unit of co-efficient of static friction is

    (a)

    N

    (b)

    Mn

    (c)

    Ns

    (d)

    no unit

  7. Identify which of the following energies can be positive only:

    (a)

    kinetic energy

    (b)

    potential energy

    (c)

    mechanical energy

    (d)

    both (a) and (b)

  8. A block of mass M is attached to the lower end of a vertical spring. The spring is hung from a ceiling and has force constant value k. The mass is released from rest with the spring initially unstretched. The maximum extension produced in the length of the spring will be

    (a)

    2Mg/k

    (b)

    4Mg/k

    (c)

    Mg/2k

    (d)

    Mg/k

  9. The ratio of velocities of equal masses in an inelastic collision with one of the masses is stationary is

    (a)

    \(\frac { 1-e }{ 1+e } \)

    (b)

    \(\frac { 1+e }{ e-1 } \)

    (c)

    (1 + e) (1 - e)

    (d)

    \(\frac { e-1 }{ e+1 } \)

  10. Surface tension does not depend on _________.

    (a)

    nature of the liquid

    (b)

    temperature of the liquid

    (c)

    atmospheric pressure

    (d)

    presence of impurities

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