1
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A particle at rest starts moving with constant angular acceleration $$4 ~\mathrm{rad} / \mathrm{s}^2$$ in circular path. At what time the magnitudes of its tangential acceleration and centrifugal acceleration will be equal?

A
0.4 s
B
0.5 s
C
0.8 s
D
1.0 s
2
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

If the end correction of an open pipe is $$0.8 \mathrm{~cm}$$, then the inner radius of that pipe is

A
$$\frac{1}{3} \mathrm{~cm}$$
B
$$\frac{2}{3} \mathrm{~cm}$$
C
$$\frac{3}{2} \mathrm{~cm}$$
D
$$0.2 \mathrm{~cm}$$
3
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The mutual inductance (M) of the two coils is $$3 ~\mathrm{H}$$. The self inductances of the coils are $$4 ~\mathrm{H}$$ and $$9 ~\mathrm{H}$$ respectively. The coefficient of coupling between the coils is

A
0.3
B
0.4
C
0.5
D
0.6
4
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A particle is vibrating in S.H.M. with an amplitude of $$4 \mathrm{~cm}$$. At what displacement from the equilibrium position is its energy half potential and half kinetic?

A
$$1 \mathrm{~cm}$$
B
$$\sqrt{2} \mathrm{~cm}$$
C
$$2 \mathrm{~cm}$$
D
$$2 \sqrt{2} \mathrm{~cm}$$
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