TG EAPCET 2024 (Online) 9th May Evening Shift | Rotational Motion Question 4 | Physics

A thin uniform wire of mass $m$ and linear mass density $\rho$ is bent in the form of a circular loop. The moment of inertia of the loop about its diameter is

$\frac{m^2}{4 \pi^2 \rho^2}$

$\frac{m^2}{4 \rho^2}$

$\frac{m^3}{8 \pi^2 \rho^2}$

$\frac{m^2}{8 \rho^2}$

TG EAPCET 2024 (Online) 9th May Morning Shift

MCQ (Single Correct Answer)

-0

A solid sphere rolls down without slipping from the top of an inclined plane of height 28 m and angle of inclination $30^{\circ}$. The velocity of the sphere, when it reaches the bottom of the plane is (Acceleration due to gravity $=10 \mathrm{~ms}^{-2}$ )

$20 \mathrm{~ms}^{-1}$

$10 \mathrm{~ms}^{-1}$

$28 \mathrm{~ms}^{-1}$

$14 \mathrm{~ms}^{-1}$

TS EAMCET 2023 (Online) 12th May Evening Shift

MCQ (Single Correct Answer)

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Moon revolves around the earth in an orbit of radius $R$ with time period of revolution $T$. It also rotates about its own axis with a time period $T$. If mass of the moon is $M$ and its radius is $r$, the total kinetic energy of the moon is

$\frac{2 M \pi^2 R^2}{T^2}+\frac{4 M r^2 \pi^2}{5 T^2}$

$\frac{M \pi^2 R^2}{2 T^2}$

$\frac{4 M r^2 \pi^2}{5 T^2}$

$\frac{M \pi^2 R^2}{2 T^2}+\frac{4 M r^2 \pi^2}{5 T^2}$

TS EAMCET 2023 (Online) 12th May Evening Shift

MCQ (Single Correct Answer)

-0

The spinning of the Diwali cracker 'ground chakkar' involves the concept of

conservation of mechanical energy

conservation of linear momentum

conservation of angular momentum

conservation of charge

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