Question

Match the statements in Column A with those in Column B.

Column A	Column B
(a) Resonance	(i) The vibrations which take place under the influence of external force.
(b) Damped vibrations	(ii) Periodic vibrations of a body of constant amplitude in the absence of external force.
(c) Forced vibration	(iii) Number of vibrations executed per second by a vibrating body.
(d) Natural frequency	(iv) The phenomenon, which takes place when natural frequency of a given body is equal to frequency of vibrating body.
(e) Free vibrations	(v) Periodic vibrations of continuously decreasing amplitude in the presence of resistive force.

Answer 1

Column A	Column B
(a) Resonance	(iv) The phenomenon, which takes place when natural frequency of a given body is equal to frequency of vibrating body.
(b) Damped vibrations	(v) Periodic vibrations of continuously decreasing amplitude in the presence of resistive force.
(c) Forced vibration	(i) The vibrations which take place under the influence of external force.
(d) Natural frequency	(iii) Number of vibrations executed per second by a vibrating body.
(e) Free vibrations	(ii) Periodic vibrations of a body of constant amplitude in the absence of external force.