Questions
The time period of simple pendulum is ‘T’ when the length increases by 10cm, its period is . When the length is decreased by 10 cm, its time period is . When the relation between T, and is
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Correct option is C
time period of simple pendulum is T=2πlgTαl other terms are constants l=KT2-----(1) proportionality constant is K,by the question,l+10=KT12----(2)l-10=KT22-----(3)Adding (2) and (3) equations2l=KT12+T22substitute (1)2KT2=KT12+T222T2=(T12+T22)Similar Questions
A simple pendulum is hanging from a peg inserted in a vertical wall. Its bob is stretched in horizontal position from the wall and is left free to move. The bob hits on the wall the coefficient of restitution is . After how many collisions the amplitude of vibration will become less than 60°
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