Mechanical Properties of Fluids — Physics STD 11 Science — Question

Obtain the dimensional formula for coefficient of viscosity.

The amplitude of a harmonic oscillator is doubled. How does its energy change?

A car starts accelerating from rest for sometime, maintains the velocity for sometime and then comes to rest with uniform deceleration. Draw V-t graph.

Plot a graph between the time period (T) for a simple pendulum and its length (l).

What is Bulk modulus for a perfectly rigid body?

If the sum of all the forces acting on a body is zero, is it necessarily in equilibrium? If the sum of all the forces on a particle is zero, is it necessarily in equilibrium?

Suggest a distance corresponding to 107m.

In a TV tube, electrons are accelerated from the rear to the front. What is the direction of the current?

The sign of work done by a force on a body is important to understand. State carefully if the following quantities are positive or negative: Work done by a man in lifting a bucket out of a well by means of a rope tied to the bucket.