1
MHT CET 2023 9th May Morning Shift
+1
-0

A solid sphere rolls without slipping on an inclined plane at an angle $$\theta$$. The ratio of total kinetic energy to its rotational kinetic energy is

A
$$\frac{7}{2}$$
B
$$\frac{5}{2}$$
C
$$\frac{7}{3}$$
D
$$\frac{5}{4}$$
2
MHT CET 2023 9th May Morning Shift
+1
-0

Two discs of same mass and same thickness (t) are made from two different materials of densities '$$d_1$$' and '$$d_2$$' respectively. The ratio of the moment of inertia $$I_1$$ to $$I_2$$ of two discs about an axis passing through the centre and perpendicular to the plane of disc is

A
$$\mathrm{d}_1: \mathrm{d}_2$$
B
$$\mathrm{d}_2: \mathrm{d}_1$$
C
$$1: d_1 d_2$$
D
$$1: \mathrm{d}_1^2 \mathrm{~d}_2$$
3
MHT CET 2021 21th September Evening Shift
+1
-0

A particle performs rotational motion with an angular momentum 'L'. If frequency of rotation is doubled and its kinetic energy becomes one fourth, the angular momentum becomes.

A
L
B
$$\mathrm{\frac{L}{4}}$$
C
$$\mathrm{\frac{L}{8}}$$
D
$$\mathrm{\frac{L}{2}}$$
4
MHT CET 2021 21th September Evening Shift
+1
-0

Three rings each of mass 'M' and radius 'R' are arranged as shown in the figure. The moment of inertia of system about axis YY' will be

A
5 MR$$^2$$
B
$$\frac{7}{2}$$ MR$$^2$$
C
$$\frac{3}{2}$$ MR$$^2$$
D
3 MR$$^2$$
MHT CET Subjects
Physics
Mechanics
Optics
Electromagnetism
Modern Physics
Chemistry
Physical Chemistry
Inorganic Chemistry
Organic Chemistry
Mathematics
Algebra
Trigonometry
Calculus
Coordinate Geometry
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