1
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

A parallel combination of two capacitors of capacities ' C ' and ' $\frac{\mathrm{C}}{3}$, respectively is connected across a battery of 12 volt. When both capacitors are fully charged, the charge and energy stored in them is $Q_1, Q_2$ and $E_1, E_2$ respectively. Then the ratio of $\left(E_1-E_2\right)$ to $\left(Q_1-Q_2\right)$ is

A
$1: 8$
B
$1: 6$
C
$8: 1$
D
$6: 1$
2
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

A transparent sphere of refractive index ' $\mu$ ' and radius of curvature ' $R$ ' is kept in air. A point object is placed at a distance ' d ' from the surface of the sphere so that the real image is formed at the same distance ' $d$ ' from exactly opposite side of the sphere. The distance ' $d$ ' is

A
$\frac{\mu}{R}$
B
$\mathrm{R}(\mu-1)$
C
$\frac{\mathrm{R}}{(\mu-1)}$
D
$\frac{\mathrm{R}}{(\mu+1)}$
3
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The instantaneous value of current in an a.c. circuit is $I=2 \sin \left[100 \pi t+\frac{\pi}{3}\right]$ A. The current will be maximum for the first time at $\left(\sin 90^{\circ}=1\right)$

A
$\frac{1}{100} \mathrm{~s}$
B
$\frac{1}{200} \mathrm{~s}$
C
$\frac{1}{400} \mathrm{~s}$
D
$\frac{1}{600} \mathrm{~s}$
4
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

A fixed mass of gas at constant pressure occupies a volume ' $V$ '. The gas undergoes a rise in temperature so that the r.m.s. velocity of the molecule is doubled. The new volume will be

A
$\frac{\mathrm{V}}{2}$
B
$\frac{\mathrm{V}}{\sqrt{2}}$
C
2 V
D
4 V
EXAM MAP