Questions
A calorimeter of mass 0.2 kg and specific heat 900 Containing 0.5 kg of a liquid of specific heat 2400J/kg/K. Its temperature falls from
detailed solution
Correct option is D
Rate of cooling (here it is rate of loss of heat)dQdt= (mc+W)dQdt = (m1c1+mccc)dθdt⇒ dQdt = (0.5×2400+0.2×900)(60-5560) = 115 J/secTalk to our academic expert!
Similar Questions
A pan filled with hot food cools from 940C to 860C in 2 min. When the room temperature is at 200C, the time taken to cool from 710C to 690C is
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
