Questions
The ratio of frequencies of two pendulums are 2 : 3, then their lengths are in ratio
detailed solution
Correct option is D
Frequency, n ∝ 1l⇒ n1n2=l2l1⇒l2l1=n12n22⇒l2l1=(2)2(3)2⇒ l2l1=49⇒l1l2=94Talk to our academic expert!
Similar Questions
One end of an ideal spring is connected with a smooth block with the other end with rear wall of driving cabin of a truck as shown in figure. Initially, the system is at rest. If truck starts to accelerate with a constant acceleration ‘a’ , then the block (relative to truck ):
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