Work, Energy and Power — Physics STD 11 — Question

One light year is ……

In a given process on an ideal gas, dW = 0 and dQ < 0. Then for the gas ……..

A bullet of mass m and velocity v1 is fired into a large block of wood of mass M. The final velocity of the system is-

Centrifugal force acts in –

Which of the following statement is untrue? The velocity of sound in a gas …….

Which of the following graph represents the equation y = mx + C?

If the object is at rest and no external force is applied on the object, the static friction acting on the object is –

When the hands are brought closer to the body, the angular velocity of the ice dancer –

A body is executing simple harmonic motion with an angular frequency 2 rod/sec. The velocity of the body at 20mm displacement, when the amplitude of motion is 60mm, is