1.

In the figure given below, the position-time graph of a particle of mass 0.1 Kg is shown. The impulse at \[t=2\sec \] is                                                                 [AIIMS 2005]

A.                 0.2\[kg\,m{{\sec }^{-1}}\]
B.                    \[-0.2kg\,m{{\sec }^{-1}}\]
C.                    \[0.1kg\,m{{\sec }^{-1}}\]
D.                                 \[-0.4kg\,m{{\sec }^{-1}}\]
Answer» C.                    \[0.1kg\,m{{\sec }^{-1}}\]


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