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11th Standard English Medium Physics Subject Creative 1 Mark Questions with Solution Part - I

11th Standard

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Physics

Time : 00:30:00 Hrs
Total Marks : 10
    10 x 1 = 10
  1. Astromical Scale is dealt with the _________ Physics

    (a)

    Mesoscopic

    (b)

    Microscopic

    (c)

    Macroscopic

    (d)

    None

  2. Choose the motion in two dimension from the following.

    (a)

    Motion of a train along a straight railway track

    (b)

    An object falling freely under gravity close to the Earth.

    (c)

    A particle moving along a curved path in a plane.

    (d)

    Flying of a kite on a windy day.


  3. Two blocks A & B of masses 2m & m are connected by a massless and inextensible strong. The magnitudes of acceleration of A & B immediately after the string is cut are ____________.

    (a)

    \(\frac { g }{ 2 } \),g

    (b)

    g,g

    (c)

    g,\(\frac { g }{ 2 } \)

    (d)

    \(\frac { g }{ 2 } \),\(\frac { g }{ 2 } \)

  4. A cricket ball falls from a height of 40 m. What is the velocity with which the ball hits the ground?

    (a)

    40 m/s

    (b)

    20 m/s

    (c)

    16 m/s

    (d)

    28 m/s

  5. Four identical spheres each of mass m are placed at the corners of square of side 2 m. Taking the point of intersection of the diagonals as the origin the coordinates of the centre of mass are?

    (a)

    (1, 1)

    (b)

    (0, 0)

    (c)

    (1, -1)

    (d)

    (-1, 1)

  6. A body of mass 500g is town upwards with a velocity 20ms-1 and reaches back to the surface of a planet after 20s. Then the weight of the body on that planet is _____________.

    (a)

    2 N

    (b)

    4 N

    (c)

    5 N

    (d)

    1 N

  7. Water rises in a capillary tube to a certain height such that the upward force due to the surface tension is balanced by 62.84\(\times\)10-5N force due to the weight of the liquid column. If the surface tension of water is 70\(\times\)10-3Nm the radius of the capillary tube is ____________.

    (a)

    1.43\(\times\)10-3m

    (b)

    2.83\(\times\)10-3 m

    (c)

    1.43\(\times\)10-2 m

    (d)

    2.83\(\times\)10-3 m

  8.  Surface of the lake is at 2°C and depth of the lake is 20m find the temperature of the bottom of the lake ______________.

    (a)

    20C

    (b)

    30C

    (c)

    40C

    (d)

    none of the above

  9. If there are n no. of molecules per unit volume and m is the mass of each, Vx is the x - component of velocity pressure can be written as _______________.

    (a)

    P= nm\({ V }_{ x }^{ 2 }\)

    (b)

    P= 2nm\({ V }_{ x }^{ 2 }\)

    (c)

    P= m\({ V }_{ x }^{ 2 }\)

    (d)

    P= n\({ V }_{ x }^{ 2 }\)

  10. The function x =Asin2ωt + B cos2ωt + c sin rot cos rot represents simple harmonic motion for which of the option?

    (a)

    for all values of A, B & C (C# 0) (b) \(\frac{r}{10}\)

    (b)

    A=B, C = 2B

    (c)

    CA = -B, C = 2B

    (d)

    all of the above

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