1
MHT CET 2021 24th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

A body of mass '$$\mathrm{m}$$' and radius of gyration '$$\mathrm{K}$$' has an angular momentum $$\mathrm{L}$$. Its angular velocity is

A
$$\frac{\mathrm{K}^2}{\mathrm{~mL}}$$
B
$$\mathrm{mK}^2 \mathrm{~L}$$
C
$$\frac{\mathrm{mK}^2}{\mathrm{~L}}$$
D
$$\frac{\mathrm{L}}{\mathrm{mK}^2}$$
2
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

The moment of inertia of a body about the given axis, rotating with angular velocity 1 rad/s is numerically equal to 'P' times its rotational kinetic energy. The value of 'P' is

A
$$\frac{1}{4}$$
B
$$\frac{1}{2}$$
C
2
D
1
3
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two circular loops P and Q are made from a uniform wire. The radii of P and Q are R$$_1$$ and R$$_2$$ respectively. The momentsw of inertia about their own axis are $$\mathrm{I_P}$$ and $$\mathrm{I_Q}$$ respectively. If $$\frac{\mathrm{I}_{\mathrm{P}}}{\mathrm{I}_Q}=\frac{1}{8}$$ then $$\mathrm{\frac{R_2}{R_1}}$$ is

A
4
B
3
C
2
D
5
4
MHT CET 2021 23rd September Evening Shift
MCQ (Single Correct Answer)
+1
-0

A metre scale is supported on a wedge at its centre of gravity. A body of weight 'w'. is suspended from the $$20 \mathrm{~cm}$$ mark and another weight of 25 gram is suspended from $$74 \mathrm{~cm}$$ mark balance it and the metre scale remains perfectly horizontal. Neglecting the weight of the metre scale, the weight of the body is

A
20 gram-wt
B
15 gram-wt
C
33 gram-wt
D
30 gram-wt
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