1
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
$\frac{9 D}{10}$
2
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
$0, R T_2 \ln \left|\frac{V_2}{V_1}\right|, R\left(T_2-T_1\right)$
3
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
$4: 1$
4
VITEEE 2024
MCQ (Single Correct Answer)
+1
-0

A disc of mass 10 g is kept floating horizontally by throwing 10 marbles per second against it from below. If the mass of each marble is 5 g . What will be velocity with which the marble are striking the disc? Assume that, the marble strikes the disc normally and rebound downwards with the same speed.

A
$2.98 \mathrm{~m} / \mathrm{s}$
B
$0.98 \mathrm{~m} / \mathrm{s}$
C
$0.49 \mathrm{~m} / \mathrm{s}$
D
$1.96 \mathrm{~m} / \mathrm{s}$
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