Questions
A uniform metal rod (fixed at both ends) of 2 crosssection is cooled from 40° C to 20° C. The co-efficient of the linear expansion of the rod is 12 x per degree and its young modulus of elasticity is . The energy stored per unit volume of the rod is:
detailed solution
Correct option is A
Energy Density = 12 stress × strain = 12Y(strain)2 = 2880 J/m3Talk to our academic expert!
Similar Questions
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
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