# Heat and Thermodynamics · Physics · AP EAPCET

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AP EAPCET 2021 - 20th August Morning Shift
Boiling water is changing into steam. The specific heat of boiling water is
AP EAPCET 2021 - 20th August Morning Shift
If the volume of a block of metal changes by $$0.12 \%$$ when heated through $$20^{\circ} \mathrm{C}$$, then find its coefficient of linear expansion....
AP EAPCET 2021 - 20th August Morning Shift
Isothermal process is the graph between
AP EAPCET 2021 - 20th August Morning Shift
For a monoatomic ideal gas is following the cyclic process ABCA shown in the U versus p plot, identify the incorrect option. ...
AP EAPCET 2021 - 20th August Morning Shift
The pressure of a gas is proportional to
AP EAPCET 2021 - 19th August Evening Shift
Expansion during heating
AP EAPCET 2021 - 19th August Evening Shift
Match the following. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family:Aria...
AP EAPCET 2021 - 19th August Evening Shift
Which of the following is not a reversible process?
AP EAPCET 2021 - 19th August Evening Shift
Which one of the graphs below best illustrates the relationship between internal energy U of an ideal gas and temperature T of the gas in K?
AP EAPCET 2021 - 19th August Evening Shift
A refrigerator with coefficient of performance 0.25 releases 250 J of heat to a hot reservoir. The work done on the working substance is
AP EAPCET 2021 - 19th August Evening Shift
A vessel has 6 g of oxygen at pressure p and temperature 400 K. A small hole is made in it, so that oxygen leaks out. How much oxygen leaks out if the...
AP EAPCET 2021 - 19th August Morning Shift
In a steady state, the temperature at the end $$A$$ and end $$B$$ of a $$20 \mathrm{~cm}$$ long rod $$A B$$ are $$100 \Upsilon$$ and $$0^{\circ} \math... AP EAPCET 2021 - 19th August Morning Shift If two rods of length$$L$$and$$2 L$$, having coefficients of linear expansion$$\alpha$$and$$2 \alpha$$respectively are connected end-to-end, th... AP EAPCET 2021 - 19th August Morning Shift A system is taken from state-A to state-B along two different paths. The heat absorbed and work done by the system along these two paths are Q$$_1$$, ... AP EAPCET 2021 - 19th August Morning Shift A gas ($$\gamma$$= 1.5 ) is suddenly compressed to (1/4 )th its initial volume. Then, find the ratio of its final to initial pressure. AP EAPCET 2021 - 19th August Morning Shift A cylinder has a piston at temperature of$$30 \Upsilon$$C. There is all round clearance of$$0.08 \mathrm{~mm}$$between the piston and cylinder wall... AP EAPCET 2021 - 19th August Morning Shift A balloon contains 1500 m$$^3$$of He at 27$$\Upsilon$$C and 4 atmospheric pressure, the volume of He at$$-3\UpsilonC temperature and 2 atmospheric...
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