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

If the momentum of a body of mass ' $m$ ' is increased by $20 \%$ then its kinetic energy increases by

A
$44 \%$
B
$55 \%$
C
$66 \%$
D
$77 \%$
2
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Seven capacitors each of capacitance $2 \mu \mathrm{~F}$ are connected in a configuration to obtain an effective capacitance $\frac{6}{13} \mu \mathrm{~F}$. The combination which will achieve this will have

A
5 capacitors in parallel and then 2 capacitors series.
B
4 capacitors in parallel and then 3 capacitors series.
C
3 capacitors in parallel and then 4 capacitors in series.
D
2 capacitors in parallel and then 5 capacitors in series.
3
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

An e.m.f. $E=E_0 \cos \omega t$ is applied to the $L-R$ circuit. The inductive reactance is equal to the resistance ' $R$ ' of the circuit. The power consumed in the circuit is

A
$\frac{E_0^2}{\sqrt{2} R}$
B
$\frac{E_0^2}{2 R}$
C
$\frac{E_0^2}{4 R}$
D
$\frac{E_0^2}{R}$
4
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The radius and mean density of the planet are four times as that of the earth. The ratio of escape velocity at the earth to the escape velocity at a planet is

A
$1: \sqrt{8}$
B
$1: 8$
C
$1: \sqrt{3}$
D
$1: 3$
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