PART - 2 CH - 10 Thermal Properties of Matter — Physics STD 11 Science — Question

Give the magnitude and direction of the net force acting on. A kite skillfully held stationary in the sky.

Is it possible to boil water at room temperature, say 30°C? If we touch a flask containing water boiling at this temperature, will it be hot?

Light passes through a closed cylindrical tube containing a gas. If the gas is gradually pumped out, the speed of light inside the tube will:

Which of the following set have different dimensions?

When the simple pendulum experiment is performed on Mount Abu the acceleration due to gravity reduce by 1%, what should be the change in the pendulum length to get the correct time from the pendulum clock?

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?

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 gravitational force in the above case.

Are the Kepler's laws applicable only to the solar system?

When several passengers are standing in a moving bus, it is said to be dangerous. How will you justify this statement?