MHT CET 2022 11th August Evening Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2022 11th August Evening Shift

MCQ (Single Correct Answer)

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The time taken by a particle executing simple harmonic motion of period '$$\mathrm{T}$$', to move from the mean position to half the maximum displacement is

$$\frac{\mathrm{T}}{12} \mathrm{~s}$$

$$\frac{\mathrm{T}}{2} \mathrm{~s}$$

$$\frac{\mathrm{T}}{4} \mathrm{~s}$$

$$\frac{\mathrm{T}}{6} \mathrm{~s}$$

MHT CET 2022 11th August Evening Shift

MCQ (Single Correct Answer)

-0

Using Bohr's model, the orbital period of electron in hydrogen atom in the $$\mathrm{n}^{\text {th }}$$ orbit is $$\left(\varepsilon_0=\right.$$ permittivity of vacuum, $$\mathrm{h}=$$ Planck's constant, $$\mathrm{m}=$$ mass of electron, $$\mathrm{e}=$$ electronic charge)

$$\frac{4 \varepsilon_0 \mathrm{nh}^3}{\mathrm{me}^2}$$

$$\frac{4 \varepsilon_0 \mathrm{n}^2 \mathrm{~h}^2}{\mathrm{me}^2}$$

$$\frac{4 \varepsilon_0^2 n^3 h^3}{m e^4}$$

$$\frac{4 \varepsilon_0^2 \mathrm{n}^2 \mathrm{~h}^3}{m \mathrm{e}^3}$$

MHT CET 2022 11th August Evening Shift

MCQ (Single Correct Answer)

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A parallel plate capacitor is charged and then disconnected from the charging battery. If the plates are now moved further apart by pulling them by means of insulating handles, then

the capacitance of the capacitor increases

the charge on the capacitor decreases

the voltage across the capacitor increases

the energy stored in the capacitor decreases

MHT CET 2022 11th August Evening Shift

MCQ (Single Correct Answer)

-0

If the kinetic energy of a free electron doubles, it's de Broglie wavelength ($$\lambda$$) changes by a factor

$$\frac{1}{\sqrt{2}}$$

$$\frac{1}{2}$$

$$\sqrt{2}$$

$$2$$