Questions
A spring has a certain mass suspended from it and its period for vertical oscillation is T. The spring is now cut into two equal halves and the same mass is suspended from one of the halves. The period of vertical oscillation is now
detailed solution
Correct option is B
T=2πmk. Also spring constant (k) ∝1Length (L), when the spring is half in length, then k becomes twice.∴T'=2πm2k⇒T'T=12⇒T'=T2Talk to our academic expert!
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A simple pendulum has time period T1. The point of suspension is now moved upward according to equation where . If new time period is T2 then ratio will be
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