1
MHT CET 2024 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two bodies A and B have their moments of inertia $I_1$ and $I_2$ respectively about their axis of rotation. If their kinetic energies of rotation are equal and their angular momenta $\mathrm{L}_1$ and $\mathrm{L}_2$ respectively are in the ratio $1: \sqrt{3}$, then $I_2$ will be

A
$\frac{1}{3} \mathrm{I}_1$
B
$\sqrt{3} I_1$
C
$2 \mathrm{I}_1$
D
$\mathrm{3 I_1}$
2
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The moment of inertia of uniform circular disc is maximum about an axis perpendicular to the disc and passing through point

MHT CET 2024 10th May Morning Shift Physics - Rotational Motion Question 30 English

A
A
B
B
C
C
D
D
3
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A ring and a disc roll on horizontal surface without slipping with same linear velocity. If both have same mass and total kinetic energy of the ring is 6 J then total kinetic energy of the disc is

A
$\frac{3}{2} \mathrm{~J}$
B
$\frac{5}{2} \mathrm{~J}$
C
$\frac{7}{2} \mathrm{~J}$
D
$\frac{9}{2} \mathrm{~J}$
4
MHT CET 2024 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A solid metallic sphere of radius ' $R$ ' having moment of inertia '$I$' about diameter is melted and recast into a solid disc of radius ' $r$ ' of a uniform thickness. The moment of inertia of a disc about an axis passing through its edge and perpendicular to its plane is also equal to '$I$'. The ratio $\frac{r}{R}$ is

A
$\frac{1}{\sqrt{2}}$
B
$\frac{2}{\sqrt{5}}$
C
$\frac{2}{\sqrt{10}}$
D
$\frac{2}{\sqrt{15}}$
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