1.
The piston of a steam engine moves with a simple harmonic motion. The crank rotates 120 r.p.m. and the stroke length is 2 meters. The linear velocity of the piston when it is at a distance of 0.5 metre from the centre, is

2.
The Centre of gravity of a 10 × 15 × 5 cm T section from its bottom, is

3.
An ordinate in a funicular polygon represents

4.
The angle of projection for a range is equal to the distance through which the particle would have fallen in order to acquire a velocity equal to the velocity of projection, will be

5.
If a projectile is fired with an initial velocity of 10 m/sec at an angle of 60° to the horizontal, its horizontal and vertical velocity at the highest point of trajectory are

6.
The frequency of oscillation on moon as compared to that on earth, will be

7.
The time period of a simple pendulum depends on
(i) Mass of suspended particle
(ii) Length of the pendulum
(iii) Acceleration due to gravity

8.
Pick up the incorrect statement from the following:

9.
Pick up the correct statement from the following:

10.
Pick up the correct statement from the following:

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