1
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25
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A particle is subjected to two simple harmonic motions in the same direction having equal amplitudes and equal frequency. If the resultant amplitude is equal to the amplitude of the individual motion, the phase difference ($$\delta$$) between the two motion is

A
$$\delta = {\pi \over 3}$$
B
$$\delta = {{2\pi } \over 3}$$
C
$$\delta = \pi $$
D
$$\delta = {\pi \over 2}$$
2
WB JEE 2021
MCQ (Single Correct Answer)
+1
-0.25
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A simple pendulum, consisting of a small ball of mass m attached to a massless string hanging vertically from the ceiling is oscillating with an amplitude such that Tmax = 2Tmin, where Tmax and Tmin are the maximum and minimum tension in the string, respectively. The value of maximum tension Tmax in the string is
A
$${{3mg} \over 2}$$
B
mg
C
$${{3mg} \over 4}$$
D
3 mg
3
WB JEE 2020
MCQ (Single Correct Answer)
+1
-0.25
Change Language
The bob of a swinging second pendulum (one whose time period is 2 s) has a small speed v0 at its lowest point. It height from this lowest point 2.25 s after passing through it, is given by
A
$${{v_0^2} \over {2g}}$$
B
$${{v_0^2} \over {g}}$$
C
$${{v_0^2} \over {4g}}$$
D
$${{9v_0^2} \over {4g}}$$
4
WB JEE 2018
MCQ (Single Correct Answer)
+1
-0.25
Change Language
In case of a simple harmonic motion, if the velocity is plotted along the X-axis and the displacement (from the equilibrium position) is plotted along the Y-axis, the resultant curve happens to be an ellipse with the ratio $${{major\,axis\,(along\,X)} \over {minor\,axis\,(along\,Y)}} = 20\pi $$

What is the frequency of the simple harmonic motion?
A
100 Hz
B
20 Hz
C
10 Hz
D
$${1 \over {10}}$$ Hz
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