1
MHT CET 2020 16th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

A particle performs simple harmonic motion with period of 3 s . The time taken by it to cover a distance equal to half the amplitude from mean position is [$$\sin 30^{\circ}=0.5$$]

A
$$\frac{1}{4} \mathrm{~s}$$
B
$$\frac{3}{2} \mathrm{~s}$$
C
$$\frac{3}{4} \mathrm{~s}$$
D
$$\frac{1}{2} \mathrm{~s}$$
2
MHT CET 2020 16th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

A simple pendulum of length $$I$$ has a bob of mass $$m$$. It executes SHM of small amplitude A. The maximum tension in the string is ($$g=$$ acceleration due to gravity)

A
$$m g$$
B
$$m g\left(\frac{A^2}{I^2}+1\right)$$
C
2 mg
D
$$m g\left(\frac{A}{I}+1\right)$$
3
MHT CET 2020 16th October Evening Shift
MCQ (Single Correct Answer)
+1
-0

A block of mass $$m$$ attached to one end of the vertical spring produces extension $$x$$. If the block is pulled and released, the periodic time of oscillation is

A
$$2 \pi \sqrt{\frac{x}{4 g}}$$
B
$$2 \pi \sqrt{\frac{2 x}{g}}$$
C
$$2 \pi \sqrt{\frac{x}{2 g}}$$
D
$$2 \pi \sqrt{\frac{x}{g}}$$
4
MHT CET 2020 16th October Morning Shift
MCQ (Single Correct Answer)
+1
-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)

A
$$\frac{m g A}{L}$$
B
$$\frac{m g A}{2 l}$$
C
$$\frac{m g A^2}{L}$$
D
$$\frac{m g A^2}{2 L}$$
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