1
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

A parallel plate capacitor is charged and then disconnected from the charging battery. If the plates are now moved further apart by pulling them by means of insulating handles, then

A
the capacitance of the capacitor increases
B
the charge on the capacitor decreases
C
the voltage across the capacitor increases
D
the energy stored in the capacitor decreases
2
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

If the kinetic energy of a free electron doubles, it's de Broglie wavelength ($$\lambda$$) changes by a factor

A
$$\frac{1}{\sqrt{2}}$$
B
$$\frac{1}{2}$$
C
$$\sqrt{2}$$
D
$$2$$
3
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

In the following network, the current through galvanometer will

MHT CET 2022 11th August Evening Shift Physics - Current Electricity Question 64 English

A
be zero
B
flow from $$\mathrm{Q}$$ to $$\mathrm{S}$$
C
flow in a direction which depends on value of $$\mathrm{V}$$
D
flow from $$\mathrm{S}$$ to $$\mathrm{Q}$$
4
MHT CET 2022 11th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

In a medium, the phase difference between two particles separated by a distance '$$x$$' is $$\left(\frac{\pi}{5}\right)^{\text {c }}$$. If the frequency of the oscillation of particles is $$25 \mathrm{~Hz}$$ and the velocity of propagation of the waves is $$75 \mathrm{~m} / \mathrm{s}$$, then the value of $$x$$ is

A
0.4 m
B
0.1 m
C
0.2 m
D
0.3 m
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