1
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

When light of wavelength $$\lambda$$ is incident on a photosensitive surface the stopping potential is '$$\mathrm{V}$$'. When light of wavelength $$3 \lambda$$ is incident on same surface the stopping potential is $$\frac{\mathrm{V}}{6}$$. Then the threshold wavelength for the surface is

A
$$2 \lambda$$
B
$$3 \lambda$$
C
$$4 \lambda$$
D
$$5 \lambda$$
2
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

One of the necessary condition for total internal reflection to take place is

( $$\mathrm{i}=$$ angle of incidence, $$\mathrm{i}_{\mathrm{c}}=$$ critical angle)

A
$$\mathrm{i}<\mathrm{i}_{\mathrm{c}}$$
B
$$\mathrm{i}=\mathrm{i}_{\mathrm{c}}$$
C
$$i=\frac{\pi^{\mathrm{e}}}{2}$$
D
$$i $$ > $$ i_c$$
3
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

In the given circuit, if $$\frac{\mathrm{dI}}{\mathrm{dt}}=-1 \mathrm{~A} / \mathrm{s}$$ then the value of $$\left(V_A-V_B\right)$$ at this instance will be

MHT CET 2023 12th May Morning Shift Physics - Alternating Current Question 43 English

A
30 V
B
24 V
C
18 V
D
9 V
4
MHT CET 2023 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

An inductor of $$0.5 \mathrm{~mH}$$, a capacitor of $$20 ~\mu \mathrm{F}$$ and a resistance of $$20 \Omega$$ are connected in series with a $$220 \mathrm{~V}$$ a.c. source. If the current is in phase with the e.m.f. the maximum current in the circuit is $$\sqrt{x} A$$. The value of '$$x$$' is

A
44
B
82
C
146
D
242
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