Q.

Find the value of the period (i.e., time required for one cycle) if the second hand on a watch rotates 60 cycles per hour. Also find the relationship (i) between frequency and period (ii) between their units.

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Detailed Solution

Frequency,v=60 cycles  hour =60h×1h60min=1min−             [∵1h=60min]Period, T=1v=11min-1 =1minSince T and u are reciprocal of each other, their units will be, for example, s and s-(= Hz) respectively.
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