MHT CET 2023 10th May Morning Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2023 10th May Morning Shift

MCQ (Single Correct Answer)

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In insulators

valence band is empty and conduction band is filled with electrons.

conduction band is empty and valence band is completely filled with electrons.

valence band is partially filled.

conduction band is partially filled with electrons.

MHT CET 2023 10th May Morning Shift

MCQ (Single Correct Answer)

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Seven identical discs each of mass $$M$$ and radius $$\mathrm{R}$$ are arranged in a hexagonal plane pattern so as to touch each neighbour disc as shown in the figure. The moment of inertia of the system of seven discs about an axis passing through the centre of central disc and normal to the plane of all discs is

MHT CET 2023 10th May Morning Shift Physics - Rotational Motion Question 78 English

$$\frac{7}{2} \mathrm{~MR}^2$$

$$\frac{13}{2} \mathrm{~MR}^2$$

$$\frac{29}{2} \mathrm{~MR}^2$$

$$\frac{55}{2} \mathrm{~MR}^2$$

MHT CET 2023 10th May Morning Shift

MCQ (Single Correct Answer)

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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)

$$\mathrm{V}_{\mathrm{H}}<\mathrm{V}_{\mathrm{c}}$$

$$\mathrm{V}_{\mathrm{H}}=\mathrm{V}_{\mathrm{e}}$$

$$V_H=V_c$$

$$V_H>V_e$$

MHT CET 2023 10th May Morning Shift

MCQ (Single Correct Answer)

-0

The mean electrical energy density between plates of a charged air capacitor is (where $$\mathrm{q}=$$ charge on capacitor, $$\mathrm{A}=$$ Area of capacitor plate)

$$\frac{q^2}{2 \varepsilon_0 A^2}$$

$$\frac{\mathrm{q}}{2 \varepsilon_0 \mathrm{~A}^2}$$

$$\frac{\mathrm{q}^2}{2 \varepsilon_0 \mathrm{~A}}$$

$$\frac{\varepsilon_0 \mathrm{~A}}{\mathrm{q}^2}$$

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