A cylinder of mass 1kg is given heat of 24000 J at atmospheric pressure. If initially temperature of cylinder is 20°C, then work done by the cylinder will be (Given that Specific heat of cylinder = 400 J kg–1, Coefficient of volume expansion = 9 x 10–5 °C–1, Atmospheric pressure = 105 N/m2 and density of cylinder 9000 kg/m3)

see full answer

Take the SCORE scholarship exam from home and compete for scholarships worth ₹1 crore!*

An Intiative by Sri Chaitanya

0.02 J

0.06 J

0.08 J

0.1 J

answer is B.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

ΔQ=mcΔT⇒ΔT=24000J1kg×400J/kg∘C=60∘C ⇒TFinal =80∘C Hence W=PatmΔV=PatmV0γΔT =105N/m219×103m39×10−5/∘C60∘C=0.06J

Watch 3-min video & get full concept clarity