MHT CET 2023 14th May Morning Shift | Simple Harmonic Motion Question 45 | Physics

The bob of simple pendulum of length '$$L$$' is released from a position of small angular displacement $$\theta$$. Its linear displacement at time '$$\mathrm{t}$$' is ( $$\mathrm{g}=$$ acceleration due to gravity)

$$L \theta \cos \left[\sqrt{\frac{g}{L}} \cdot t\right]$$

$$L \theta \sin \left[2 \pi \sqrt{\frac{g}{L}} \cdot t\right]$$

$$L \theta \cos \left[2 \pi \sqrt{\frac{g}{L}} \cdot t\right]$$

$$L \theta \sin \left[\sqrt{\frac{g}{L}} \cdot t\right]$$

MHT CET 2023 13th May Evening Shift

MCQ (Single Correct Answer)

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Under the influence of force $$F_1$$ the body oscillates with a period $$T_1$$ and due to another force $$F_2$$ body oscillates with period $$T_2$$. If both forces acts simultaneously, then the resultant period is (consider displacement is same in all three cases)

$$T=\sqrt{\frac{T_1^2+T_2^2}{T_1^2 T_2^2}}$$

$$T=\sqrt{\frac{T_1^2 T_2^2}{T_1^2+T_2^2}}$$

$$T=\sqrt{\frac{T_1^2}{T_2^2}}$$

$$T=\sqrt{T_1^2+T_2^2}$$

MHT CET 2023 13th May Evening Shift

MCQ (Single Correct Answer)

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A mass $$M$$ is suspended from a light spring. An additional mass $$M_1$$ added extends the spring further by a distance $$x$$. Now, the combined mass will oscillate on the spring with period $$T=$$

$$2 \pi\left[\left(\frac{M_1 g}{x\left(M+M_1\right)}\right)\right]^{\frac{1}{2}}$$

$$2 \pi\left[\frac{\left(M+M_1\right) x}{M_1 g}\right]^{\frac{1}{2}}$$

$$\left(\frac{\pi}{2}\right)\left[\left(\frac{M_1 g}{x\left(M+M_1\right)}\right)\right]^{\frac{1}{2}}$$

$$2 \pi\left[\left(\frac{M+M_1}{M_1 g x}\right)\right]^{\frac{1}{2}}$$

MHT CET 2023 13th May Morning Shift

MCQ (Single Correct Answer)

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A body of mass $$0.04 \mathrm{~kg}$$ executes simple harmonic motion (SHM) about $$\mathrm{x}=0$$ under the influence of force $$\mathrm{F}$$ as shown in graph. The period of

MHT CET 2023 13th May Morning Shift Physics - Simple Harmonic Motion Question 78 English

$$2 \pi \mathrm{s}$$

$$0.2 \pi \mathrm{s}$$

$$\pi \mathrm{d}$$

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

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