8(b)
(i) What are damped vibrations?
(ii) Give one example of damped vibrations.
(iii) Name the phenomenon that causes a loud sound when the stem of a vibrating tuning fork is kept pressed on the surface of a table.
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(i) The periodic vibrations of a body of decreasing amplitude in presence of a resistive force are called damped vibrations.
(ii) When a slim branch of a tree is pulled and then released, it makes the damped vibrations.
(iii) Resonance