PART - 1 CH - 1 Units and Measurements — Physics STD 11 Science — Question

Delay in regaining the original state by a body on the removal of the deforming force is called _______.

When body is oscillating under the influence of external periodic force with frequency equal to natural frequency of body, then amplitude become maximum this condition is known as .

The tangential acceleration of a particle moving with constant speed in a circular of path radius R will be ............... .

Magnitude of the vector product of two vectors is equal to area of the _______ formed by vectors as adjacent sides.

Torque, angular velocity, angular momentum are vector quantities whose directions are determined by ................ screw rule.

Fill in the blanks by suitable conversions: 1m = ______ light year

According to law of equipartition of energy average kinetic energy per molecule per degree of freedom is .

"In the absence of external force, an object cannot automatically change its state of rest or state of linear motion." This statement is said to be from....................Galileo.

The dimensional formula of angular momentum is..................

In simple harmonic motion, velocity is always ahead of the ____________ phase angle of displacement.