1
MHT CET 2023 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A system consists of three particles each of mass '$$m_1$$' placed at the corners of an equilateral triangle of side '$$\frac{\mathrm{L}}{3}$$', A particle of mass '$$\mathrm{m}_2$$' is placed at the mid point of any one side of the triangle. Due to the system of particles, the force acting on $$\mathrm{m}_2$$ is

A
$$\frac{3 \mathrm{Gm}_1 \mathrm{~m}_2}{\mathrm{~L}^2}$$
B
$$\frac{6 \mathrm{Gm}_1 \mathrm{~m}_2}{\mathrm{~L}^2}$$
C
$$\frac{9 \mathrm{Gm}_1 \mathrm{~m}_2}{\mathrm{~L}^2}$$
D
$$\frac{12 \mathrm{Gm}_1 \mathrm{~m}_2}{\mathrm{~L}^2}$$
2
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A satellite moves in a stable circular orbit round the earth if (where $$\mathrm{V}_{\mathrm{H}}, \mathrm{V}_{\mathrm{c}}$$ and $$\mathrm{V}_{\mathrm{e}}$$ are the horizontal velocity, critical velocity and escape velocity respectively)

A
$$\mathrm{V}_{\mathrm{H}}<\mathrm{V}_{\mathrm{c}}$$
B
$$\mathrm{V}_{\mathrm{H}}=\mathrm{V}_{\mathrm{e}}$$
C
$$V_H=V_c$$
D
$$V_H>V_e$$
3
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

There is a second's pendulum on the surface of earth. It is taken to the surface of planet whose mass and radius are twice that of earth. The period of oscillation of second's pendulum on the planet will be

A
$$2 \sqrt{2} \mathrm{~s}$$
B
$$2 \mathrm{~s}$$
C
$$\frac{1}{\sqrt{2}} \mathrm{~s}$$
D
$$\frac{1}{2} \mathrm{~s}$$
4
MHT CET 2023 10th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

For a satellite orbiting around the earth in a circular orbit, the ratio of potential energy to kinetic energy at same height is

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