Questions
Two parts of a sonometer wire divided by a movable bridge differ in length by o ' 2 cm and produce one beat per second, when sounded together. The total lengths of wire is one metre, then the frequencies are
detailed solution
Correct option is D
Length of two parts are l1=49â 9cm and l2=50â 1cm n1n2=l2l1=50â 149â 9=501499 n1=(501/499)n2 and n1ân2=1 501499n2ân2=1 2n2499=1 or n2=4992=249â 5 Hz â´ n1=n2+1=250â 5 HzTalk to our academic expert!
Similar Questions
A sonometer wire with a suspended mass of M =1kg is in resonance with a given tuning fork The apparatus is taken to the moon where the acceleration due to gravity is 1/6 that on the earth. To obtain resonance on the moon, the value of M should be
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