Blowing air with open mouth is an example of

Air is an example of:

Salivation of mouth on hearing the bell of lunch break is an example of ...................

(I) Air blown gently across the mouth of a bottle is an example for forced vibrations. (II) Oscillations of a coil in a galvanometer is an example for free oscillation of a coil in a galvanometer is an example for free oscillation. which one is correct statement ?

What is open system ? Give an example.

Opening of floral bud is an example of

A : A person on a frictionless surface can get away from it by blowing air out of his mouth R : For every action there is an equal and opposite reaction.

A : A person on a frictionless surface can get away from it by blowing air out of his mouth R : For every action there is an equal and opposite reaction.

Air is blown at the mouth of an open tube of length 25 cm and diameter 2 cm. If the velocity of sound in air is 330 ms^(-1) , then the emitted frequencies (in Hz) are

Air is blown at the mouth of an open tube of lenghts 25 cm and diameter 2 cm. If the velocity of sound in air is 330 ms^(-1) , then emitted frequencies are (in Hz)