Laws of Motion — Physics STD 11 — Question

Pressure of an ideal gas is increased by keeping temperature constant. What is the effect on the kinetic energy of molecules?

A particle falls towards earth from infinity. It’s velocity reaching the Earth would be ……

The body must have a speed at highest point in vertical circular motion to stay in the circular path

In oblique projection horizontal range of the projectile is –

Sound travels fastest in …….

Rotational kinetic energy can be calculated by using –

Mechanical Waves

Moment of inertia of a thin uniform ring about an axis passing through the center and lying on the plane (along diameter) is –

Motion of a coin on a carrom board is an example of –

A centigrade and a Fahrenheit thermometer are dipped in boiling water. The water temperature is lowered until the Fahrenheit thermometer registers 140°. What is the decrease in temperature as registered by the centigrade thermometer?