MHT CET 2020 16th October Morning Shift | MHT CET Year Wise Previous Years Questions

MHT CET 2020 16th October Morning Shift

MCQ (Single Correct Answer)

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An electron $$(e)$$ is revolving in a circular orbit of radius $$r$$ in hydrogen atom. The angular momentum of the electron is ($$M=$$ magnetic dipole moment associated with it and $$m=$$ mass of electron)

$$\frac{m M}{e}$$

$$\frac{3 M m}{e}$$

$$\frac{2 m M}{e}$$

$$\frac{4 m M}{e}$$

MHT CET 2020 16th October Morning Shift

MCQ (Single Correct Answer)

-0

In non-uniform circular motion, the ratio of tangential to radial acceleration is ($$r=$$ radius, $$\alpha=$$ angular acceleration and $$v=$$ linear velocity)

$$\frac{r \alpha}{v}$$

$$\frac{v^2}{r a}$$

$$\frac{r \alpha^2}{v^2}$$

$$\frac{r^2 \alpha}{v^2}$$

MHT CET 2020 16th October Morning Shift

MCQ (Single Correct Answer)

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In common emitter amplifier, input resistance is $$1000 \Omega$$, peak value of input signal voltage is $$5 \mathrm{~mV}$$ and $$\beta=60$$. The peak value of output current is

$$3 \times 10^{-4} \mathrm{~A}$$

$$0.5 \times 10^{-4} \mathrm{~A}$$

$$2 \times 10^{-5} \mathrm{~A}$$

$$1 \times 10^{-5} \mathrm{~A}$$

MHT CET 2020 16th October Morning Shift

MCQ (Single Correct Answer)

-0

A simple pendulum of length $$L$$ has mass $$m$$ and it oscillates freely with amplitude $$A$$. At extreme position, its potential energy is ($$g=$$ acceleration due to gravity)

$$\frac{m g A}{L}$$

$$\frac{m g A}{2 l}$$

$$\frac{m g A^2}{L}$$

$$\frac{m g A^2}{2 L}$$

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