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A cylinder of mass 1kg is given heat of ...

A cylinder of mass 1kg is given heat of 20,000J at atmospheric pressure. If initially the temperature of cylinder is `20^@C`, find
(a) final temperature of the cylinder.
(b) work done by the cylinder.
(c) change in internal energy of the cylinder
(Given that specific heat of cylinder=`400Jkg^-1^@C^-1,` Atmospheric pressure= `10^5N//m^2` and Density of cylinder=`9000kg//m^3`)

Text Solution

Verified by Experts

The correct Answer is:
`(a) T _("real") = 70^(@)C, (b) 0.05J, (C ) 19999.95`
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Knowledge Check

  • A cylinder of mass 1 kg is given heat of 20000 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 k g –1, Coefficient of volume expansion 9xx10" "^(@)C Atmospheric pressure =10 N/m and density of cylinder 9000 kg/m

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