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please provide the explanation towards the final answer. You were doing an experiment on standing waves...

please provide the explanation towards the final answer.

You were doing an experiment on standing waves on a string of length 1 m, that is fixed at both ends. You measured the frequencies of two successive standing waves at 36 Hz and 48 Hz, respectively.

i. Can you find the speed of the waves & the fundamental frequency?

ii. If the string oscillates at the highest frequency plot the pattern of the standing waves.

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