PART - 1 CH - 4 Laws of Motion — Physics STD 11 Science — Question

"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 highest capacity for_________ found in diffusion.

The expansion of a gas decreases in an adiabatic process ____________.

A pair of forces of equal magnitude but acting in opposite directions with different lines of action is known as a ............. .

If a gas has n degrees of freedom ratio of specific heat of gas is              .

Two sound waves having a phase difference of 60° have path difference of _______.

Maximum constant velocity attained by a spherical body while falling through a viscous medium is known as _________________.

The loudness and pitch of a sound note depends on _____ and _____.

The plane angle subtended at the centre of a circle by an arc equal in length to the radius of the circle is equal to ________.

1 fermi = _____ m.