Questions
A pendulum clock consists of an iron rod connected to a small heavy bob. The percentage change in time period if change in temperature of surrounding is 40°C (Take, α = 1.2 × 10–5/°C)
detailed solution
Correct option is C
%ΔTT=12αΔθ×100%=12×12×10−510×40×100%=24×10−3%=0.024%Talk to our academic expert!
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A steel rod of length 5 m is fixed rigidly between two supports. of steel , With the increase in its temperature by . the stress developed in the rod is
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