AP EAPCET 2021 - 20th August Evening Shift | Heat and Thermodynamics Question 110 | Physics

An ideal gas is taken from state-1 to state- 2 through optional path $$A, B, C$$ and $$D$$ as shown in the $$p$$ - $$V$$ diagram. Let $$Q, W$$ and $$U$$ represent the heat supplied, work done and change in internal energy respectively, then

AP EAPCET 2021 - 20th August Evening Shift Physics - Heat and Thermodynamics Question 109 English

$$Q_A-Q_D=W_A-W_D$$

$$Q_B-W_B>Q_C-W_C$$

$$W_A < W_B < W_C < W_D$$

$$Q_A < Q_B < Q_C < Q_D$$

AP EAPCET 2021 - 20th August Evening Shift

MCQ (Single Correct Answer)

-0

When the temperature of an ideal gas is increased from 27$$^\circ$$C to 127$$^\circ$$C. Calculate the percentage increase in its $$v_{rms}$$.

37%

11%

33%

15.5%

AP EAPCET 2021 - 20th August Morning Shift

MCQ (Single Correct Answer)

-0

Boiling water is changing into steam. The specific heat of boiling water is

zero

one

infinity

less than one

AP EAPCET 2021 - 20th August Morning Shift

MCQ (Single Correct Answer)

-0

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.

$$4 \times 10^{-5 \circ} \mathrm{C}^{-1}$$

$$4 \times 10^{-4 \circ} \mathrm{C}^{-1}$$

$$2 \times 0^{-5 \circ} \mathrm{C}^{-1}$$

$$2 \times 10^{-4 \circ} \mathrm{C}^{-1}$$

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