1
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

Two different ideal diatomic gases $A$ and $B$ are initially in the same state. $A$ and $B$ are then expanded to same final volume through adiabatic and isothermal process, respectively. If $p_A, p_B$ and $T_A, T_B$ represent the final pressures and temperatures at $A$ and $B$ respectively, then

A
$p_A< p_B$ and $T_A< T_B$
B
$p_A>p_B$ and $T_A>T_B$
C
$p_A>p_B$ and $T_A< T_B$
D
$p_A< p_B$ and $T_A>T_B$
2
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

The distance of the centres of Moon and the Earth is $D$. The mass of the Earth is 81 times the mass of the Moon. At what distance from the centre of the Earth, the gravitational force on a particle will be zero?

A
$\frac{D}{2}$
B
$\frac{2 D}{3}$
C
$\frac{4 D}{3}$
D
$\frac{9 D}{10}$
3
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

A cyclic process for 1 mole of an ideal is shown in the $V-T$ diagram. The work done in $A B, B C$ and $C A$ respectively is

VITEEE 2024 Physics - Heat and Thermodynamics Question 1 English

A
$0, R T_2 \ln \left|\frac{V_1}{V_2}\right|, R\left(T_2-T_1\right)$
B
$R\left(T_1-T_2\right), O_1 R T_1 \ln \left|\frac{V_1}{V_2}\right|$
C
$0, R T_2 \ln \left|\frac{V_1}{V_2}\right|, R\left(T_1-T_2\right)$
D
$0, R T_2 \ln \left|\frac{V_2}{V_1}\right|, R\left(T_2-T_1\right)$
4
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

The ratio of minimum wavelengths of Balmer and Paschen series of hydrogen atom will be

A
$1: 4$
B
$4: 9$
C
$9: 4$
D
$4: 1$
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