1
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The self induction (L) produced by solenoid of length '$$l$$' having '$$\mathrm{N}$$' number of turns and cross sectional area '$$A$$' is given by the formula ($$\phi=$$ magnetic flux, $$\mu_0=$$ permeability of vacuum)

A
$$\mathrm{L}=\mathrm{N} \phi$$
B
$$\mathrm{L}=\mu_0 \mathrm{NAl}$$
C
$$\mathrm{L}=\frac{\mu_0 \mathrm{~N}^2 \mathrm{~A}}{l}$$
D
$$\mathrm{L}=\frac{\mu_0 \mathrm{NA}}{l}$$
2
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A wire $$P Q$$ has length $$4.8 \mathrm{~m}$$ and mass $$0.06 \mathrm{~kg}$$. Another wire QR has length $$2.56 \mathrm{~m}$$ and mass $$0.2 \mathrm{~kg}$$. Both wires have same radii and are joined as a single wire. This wire is under tension of $$80 \mathrm{~N}$$. A wave pulse of amplitude $$3.5 \mathrm{~cm}$$ is sent along the wire $$\mathrm{PQ}$$ from end $$\mathrm{P}$$. the time taken by the wave pulse to travel along the wire from point P to R is ?

A
0.1 s
B
0.12 s
C
0.14 s
D
0.16 s
3
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

When a monochromatic ray of light is passed through an equilateral glass prism, it is found that the refracted ray in glass is parallel to the base of the prism. If '$$i$$' and '$$e$$' denote the angles of incidence and emergence respectively, then

A
$$\mathrm{i}>\mathrm{e}$$
B
$$\mathrm{i}<\mathrm{e}$$
C
$$\mathrm{i}=\mathrm{e}$$
D
$$\mathrm{i}+\mathrm{e}=90^{\circ}$$
4
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A solid cylinder and a solid sphere having same mass and same radius roll down on the same inclined plane. The ratio of the acceleration of the cylinder '$$a_c$$' to that of sphere '$$a_s$$' is

A
$$\frac{11}{15}$$
B
$$\frac{13}{14}$$
C
$$\frac{15}{14}$$
D
$$\frac{14}{15}$$
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