NEET 2023 Manipur | Heat and Thermodynamics Question 7 | Physics

NEET 2023 Manipur

MCQ (Single Correct Answer)

-1

A container of volume $$200 \mathrm{~cm}^3$$ contains 0.2 mole of hydrogen gas and 0.3 mole of argon gas. The pressure of the system at temperature $$200 \mathrm{~K}$$ ($$\mathrm{R}=8.3 \mathrm{JK}^{-1} \mathrm{~mol}^{-1}$$) will be :-

$$6.15 \times 10^5 \mathrm{~Pa}$$

$$6.15 \times 10^4 \mathrm{~Pa}$$

$$4.15 \times 10^5 \mathrm{~Pa}$$

$$4.15 \times 10^6 \mathrm{~Pa}$$

NEET 2023

MCQ (Single Correct Answer)

-1

The temperature of a gas is $$-50^{\circ} \mathrm{C}$$. To what temperature the gas should be heated so that the rms speed is increased by $$3$$ times?

$$3295^{\circ} \mathrm{C}$$

$$3097 \mathrm{~K}$$

$$223 \mathrm{~K}$$

$$669^{\circ} \mathrm{C}$$

NEET 2023

MCQ (Single Correct Answer)

-1

A Carnot engine has an efficiency of $$50 \%$$ when its source is at a temperature $$327^{\circ} \mathrm{C}$$. The temperature of the sink is :-

$$15^{\circ} \mathrm{C}$$

$$100^{\circ} \mathrm{C}$$

$$200^{\circ} \mathrm{C}$$

$$27^{\circ} \mathrm{C}$$

NEET 2022 Phase 2

MCQ (Single Correct Answer)

-1

An ideal gas follows a process described by the equation $$P{V^2} = C$$ from the initial $$({P_1},\,{V_1},\,{T_1})$$ to final $$({P_2},\,{V_2},\,{T_2})$$ thermodynamic states, where C is a constant. Then

If $${P_1} > {P_2}$$ then $${V_1} > {V_2}$$

If $${P_1} > {P_2}$$ then $${T_1} < {T_2}$$

If $${V_2} > {V_1}$$ then $${T_2} > {T_1}$$

If $${V_2} > {V_1}$$ then $${T_2} < {T_1}$$

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