Please solve the Question.dont choose answer simply.
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Answer:
0.8
Explanation:
as x is given 40 CM which is equal to half oscillation/half wavelength, the double of 40 CM is wavelength size, i.e. 80cm is wavelength.
also standard unit of measurement of wave length is meters, so wavelength is 80/100, i.e. 0.8 meters
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