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A simple pendulum with a solid bob has period T. what wil be the period of it if it is made to oscilate in a non viscous liquid of density §?(density of bob is d.)
T is inversly proportional to sqrt of weight T = KW-1/2 T/T1 = (W/W1)-1/2 W=mg = dVg (v is the volume of bob ,d dencity of bob & dw dencity of liquid) W1 = dVg - dwVg substituting these values T1 = T[(d - dw)/d]-1/2 T1 = T / [1 - dw/d]1/2
T is inversly proportional to sqrt of weight
T = KW-1/2
T/T1 = (W/W1)-1/2
W=mg = dVg (v is the volume of bob ,d dencity of bob & dw dencity of liquid)
W1 = dVg - dwVg
substituting these values
T1 = T[(d - dw)/d]-1/2
T1 = T / [1 - dw/d]1/2
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