Question
(a) Give one example of forced vibrations.
(b) How is the frequency of a stretched string related to (i) its length, and (ii) its tension?
(b) How is the frequency of a stretched string related to (i) its length, and (ii) its tension?
✓
Answer
(a) When the handle of vibrating tuning fork is placed on a table top, the table produce forced vibrations.
(b) (i) Frequency is inversely proportional to the length of string.
(ii) Frequency is directly proportional to the square root of tension.
(b) (i) Frequency is inversely proportional to the length of string.
(ii) Frequency is directly proportional to the square root of tension.
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