Question
Thu December 20, 2012 By:
 

A string of length 21 cm is vibrating with 3 loops. The separation between node and immediate antinode will be?

Expert Reply
Thu December 20, 2012
Here, in the given problem we can see that at the two ends nodes are formed, keeping 3 loops are formed in mind.
here, 3 antinodes are formed in 21 cm long string& in total 6 segments of NA(node-antinode distance)
so the distance between node and antinode=21/6=3.5 cm
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