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(a) A/B

(a) [M L⁵ T⁻²]

(d) 2N

(a) radius

(c) Mg-mv²/r

(a) [MLT–²]

(a) 120°

(a) 10⁴N

(d) Impulse of the force

(b) f

## Two quantities A and B have different dimensions. Which mathematical operation may be physically meaningful.

(a) A/B

(a) A/B

See less## The equation of state for a real gas is given by 2 (p+a/v²)(v-b) = RT the dimensions of constant a are

(a) [M L⁵ T⁻²]

(a) [M L⁵ T⁻²]

See less## If Maximum and minimum values of the resultant of two forces acting at a point are 7N and 3N respectively, the smaller force is equal to

(d) 2N

(d) 2N

See less## A particle revolves round a circular path. The acceleration of the particle is inversely proportional to–

(a) radius

(a) radius

See less## A car when passes through a bridge exerts a force on it which is equal to

(c) Mg-mv²/r

(c) Mg-mv²/r

See less## The dimensions of action are

(a) [MLT–²]

(a) [MLT–²]

See less## If two forces are acting at a point such that the magnitude of each force is 2N and the magnitude of their resultant is also 2N, then the angle between the two forces is-

(a) 120°

(a) 120°

See less## In a game of tug of wars, a condition of equilibrium exists. Both the team pull the rope with a force of 104N. The tension in the rope is –

(a) 10⁴N

(a) 10⁴N

See less## A graph is drawn with a force along y-axis and time along x-axis. The area under the graph represent–

(d) Impulse of the force

(d) Impulse of the force

See less## If the tension in the cable supporting an elevator is equal to the weight of elevator, the elevator my be

(b) f

(b) f

See less