One mole of an ideal gas requires 207 J heat to raise the temperature by 10 K when heated at constant pressure. If the same gas is heated at constant volume to raise the temperature by the same 10 K, the heat required is

1.  198.7 J

2.  29 J

3.  215.3 J

4.  124 J

(Given the gas constant )

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The expansion of an ideal gas of mass m at a constant pressure P is given by the straight line D. Then the expansion of the same ideal gas of mass 2m at a pressure P/ 2 is given by the straight line , where number on graphs indicate slope , is- 1.  E

2.  C

3.  B

4.  A

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An experiment is carried on a fixed amount of gas at different temperatures and at high pressure such that it deviates from the ideal gas behaviour. The variation of $\frac{\mathrm{PV}}{\mathrm{RT}}$ with P is shown in the diagram. The correct variation will correspond to 1. Curve A

2. Curve B

3. Curve C

4. Curve D

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The graph which represent the variation of mean kinetic energy of molecules with temperature t°C is

1. 2. 3. 4. High Yielding Test Series + Question Bank - NEET 2020

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The adjoining figure shows graph of pressure and volume of a gas at two temperatures ${\mathrm{T}}_{1}$ and ${\mathrm{T}}_{2}$. Which of the following interferences is correct 1.  ${\mathrm{T}}_{1}>{\mathrm{T}}_{2}$

2. ${\mathrm{T}}_{1}={\mathrm{T}}_{2}$

3. ${\mathrm{T}}_{1}<{\mathrm{T}}_{2}$

4. No interference can be drawn

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The expansion of until mass of a perfect gas at constant pressure is shown in the diagram. Here 1. a = volume, b = $°\mathrm{C}$ temperature

2. a = volume, b = $\mathrm{K}$ temperature

3. a = $°\mathrm{C}$ temperature, b = volume

4. a = $\mathrm{K}$ temperature, b = volume

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An ideal gas is initially at temperature T and volume V. Its volume is increased by $∆\mathrm{V}$ due to an increase in temperature $∆\mathrm{T}$, pressure remaining constant. The quantity $\mathrm{\delta }=∆\mathrm{V}/\left(\mathrm{V}∆\mathrm{T}\right)$ varies with temperature as

1. 2. 3. 4. High Yielding Test Series + Question Bank - NEET 2020

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Pressure versus temperature graph of an ideal gas of equal number of moles of different volumes are plotted as shown in figure. Choose the correct alternative 1.

2.

3.

4.

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Pressure versus temperature graph of an ideal gas is as shown in figure. Density of the gas at point A is ${\mathrm{\rho }}_{0}$ . Density at B will be 1.  $\frac{3}{4}{\mathrm{\rho }}_{0}$

2.  $\frac{3}{2}{\mathrm{\rho }}_{0}$

3.  $\frac{4}{3}{\mathrm{\rho }}_{0}$

4.

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The figure shows graphs of pressure versus density for an ideal gas at two temperatures ${\mathrm{T}}_{1}$ and ${\mathrm{T}}_{2}$ 1. ${\mathrm{T}}_{1}>{\mathrm{T}}_{2}$

2. ${\mathrm{T}}_{1}={\mathrm{T}}_{2}$

3. ${\mathrm{T}}_{1}<{\mathrm{T}}_{2}$

4. Nothing can be predicted