PART - 2 CH - 13 Oscillations — Physics STD 11 Science — Question

Sound waves are not polarized because they are ____________nature.

1 horse power = ............... Watt

The coefficient of linear expansion of a substance is equal to the increase in length, when the tempeature of its unit length ____________is increased.

Hydraulic lift works on the principle of _________________.

If a spring has time period T and is cut into n equal parts then the time period of each part will be .

Branch of mechanics that deals with study of motion of objects without considering the cause of motion is known as ______.

Linear momentum of a body remain conserved when there is no external ______ acts on the body.

Relation between pressure P and average kinetic energy E per unit volume of gas is .

The highest capacity for_________ found in diffusion.

Maximum stress within which the body regain its original shape and configuration after the removal of deforming force is called _______.