1
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Initial pressure and volume of a gas are ' P ' and ' $V$ ' respectively. First its volume is expanded to ' 4 V ' by isothermal process and then again its volume is reduced to ' V ' by adiabatic process then its final pressure if $\left(\gamma=\frac{3}{2}\right)$

A
P
B
2P
C
3P
D
4P
2
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In the following graph of flux density versus magnetizing force, coercivity and retentivity are respectively represented by the points

MHT CET 2024 10th May Morning Shift Physics - Magnetism and Matter Question 8 English

A
c, b
B
a, o
C
d, c
D
f, e
3
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two identical capacitors have the same capacitance ' $C$ '. One of them is charged to potential $\mathrm{V}_1$ and other to $\mathrm{V}_2$. The negative ends of capacitors are connected together. When positive ends are also connected, the decrease in energy of the combined system is

A
$\frac{1}{4} \mathrm{C}\left(\mathrm{V}_1^2+\mathrm{V}_2^2\right)$
B
$\frac{1}{4} \mathrm{C}\left(\mathrm{V}_1^2-\mathrm{V}_2^2\right)$
C
$\frac{1}{4} C\left(V_1+V_2\right)^2$
D
$\frac{1}{4} \mathrm{C}\left(\mathrm{V}_1-\mathrm{V}_2\right)^2$
4
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A small planet is revolving around a very massive star in a circular orbit of radius ' $R$ ' with a period of revolution ' $T$ '. If the gravitational force between the planet and the star were proportional to '$R^{-5 / 2}$', then '$T$' would be proportional to

A
$\mathrm{R}^{3 / 2}$
B
$\mathrm{R}^{3 / 5}$
C
$\mathrm{R}^{7 / 2}$
D
$\mathrm{R}^{7 / 4}$
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