Questions
The length of a rectangular plate is measured by a meter scale and is found to be . Its width is measured by vernier callipers as . The least count of the meter scale and vernier callipers are and , respectively. Maximum permissible error in area measurement is
detailed solution
Correct option is A
A=l×b=10×1.0=10 cm2ΔAA=Δll+ΔbbΔA=±Δll+Δbb×A=±0.110.0+0.011.00×10=±0.2 cm2Talk to our academic expert!
Similar Questions
The density of a cube is measured by measuring its mass and length of its sides. If the maximum errors in the measurement of mass and length are 3% and 2% respectively, then the maximum error in the measurement of density is
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