Questions
A thin copper wire of length L expands in length by 0.2% when it is heated from If a copper plate of area is heated from The % increase in its area is
detailed solution
Correct option is C
α Δt1=ΔllΔAA=2α Δt2=4α Δt1ΔAA×100=4×Δll×100⇒4×0.2=0.8%Talk to our academic expert!
Similar Questions
A thin copper wire of length L increases in length by 1% when heated from 0°C to 100°C . If a thin copper plate of area 2L2 is heated from 0oC to 50°C , the percentage increase in its area will be
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
