InterviewSolution
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InterviewSolution
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If the units of length, mass and time are doubled, then the new unit of work expressed in terms of L, M and TA. becomes four timesB. becomes two timesC. becomes eight timesD. is not changed |
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Answer» Correct Answer - b `[W]=[M^(1)L^(2)T^(-2)]=[M.(L^(2))/(T^(2))]` If the units of L, M and T are doubled, then the new unit of work = `(2M).((2L)^(2))/((2T)^(2))=2M[(L^(2))/(T^(2))]` `therefore` The unit becomes two times. |
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