Questions
A metal meter scale gives correct measurement at it is generally used at a temperature of . Find the correction to be made for every meter
detailed solution
Correct option is C
change in length is Δl=lαΔt l is initial length of rod =1m;α is coefficient of linear expansion=10-6/C 0 Δt is change in temperatue; decreased from 400C to 00C Δl=1×10−6×40 Δl=4×10−5mIf t2Similar Questions
If a scale is made up of a material at temp if temperature is changed to then( coefficient of linear expansion is positive)
Get your all doubts cleared from
Sri Chaitanya experts
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
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