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If the length of the seconds pendulum is increases by 4%, how many seconds it will lose per day?A. 3456 sB. 864 sC. 432 sD. 1728 s |
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Answer» Correct Answer - D `l_(2)=1.02l_(1)(T_(2))/(T_(1))=sqrt(1.02)` `=(1+0.02)^(1//2)` `(T_(2)-T_(1))/(T_(1))=0.01` `T_(2)-T_(1)=0.02` In one oscillation it looses 0.02 `therefore 43200.......? 0.04xx43200=1728s` |
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