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ICSE-X-Physics

Previous Year Paper year:2013

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  • #
    ICSE | PHYSICS
    Board Paper 2013
    ICSE Board
    Class X Physics
    Board Question Paper 2013
    Time: 1.5hrs. Maximum Marks: 80
    General Instruction
    1- Answer to this Paper must be written on the paper provided separately.
    2- You will not be allowed to write during the first 15 minutes. This time is to be spent
    in
    3- reading the Question Paper.
    4- The time given at the head of this Paper is the time allowed for writing the answers.
    5- Section I is compulsory. Attempt any four questions from Section II
    6- The intended marks for questions or parts of questions are given in brackets [ ].
  • # [40]
    Section : I
  • #1 [10]
  • #1-a
    Given any two effects of a force on a non-rigid body.
    Ans : Two main effects:
    (i) It can change the state of rest or of motion of the body.
    (ii) It can change the size or shape of the body.
  • #1-b
    One end of a spring is kept fixed while the order end is stretched by a force as
    shown in the diagram.
  • #1-b-i
    Copy the diagram and mark on it the direction of the restoring force.
    Ans : 2
  • #1-b-ii
    Name one instrument which works on the above principle.
    Ans : Spring Balance.
  • #1-c
  • #1-c-i
    Where is the centre of gravity of uniform ring situated?
    Ans : At the centre of the ring
  • #1-c-ii
    'The position of the centre of gravity of a body remains unchanged even when
    the body is deformed.' State whether the statement is true or false.
    Ans : False
  • #1-d
    A force is applied on a body of mass 20 kg moving with a velocity of ``\pu{ 40 m//s }``
    body attains a velocity of ``\pu{ 50 m//s }`` in 2 seconds. Calculate the work done by the body.
    Ans : 3
    4
  • #1-e

    A type of single pulley is very often used as a machine even though it does not give
    any in mechanical advantage.

  • #1-e-i

    Name the type of pulley used.

    Ans :

     Single fixed pulley.

  • #1-e-ii
    For what purpose is such a pulley used?
    Ans : Single fixed pulley is used only to change the direction of the force applied.
  • #2 [10]
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