OSCILLATIONS Online Test

The composition of two simple harmonic motions of equal periods at right angle to each other and with a phase difference of  results in the displacement of the particle along ____.
straight line
circle
ellipse
figure of eight
Resonance is an example of ____.
tuning fork
forced vibration
free vibration
damped vibration
In case of a forced vibration, the resonance wave becomes very sharp when the ____.
restoring force is small
applied periodic force is small
quality factor is small
damping force is small
/
b = 0 and a = – c
None of the above
/
A simple pendulum is set into vibrations. The bob of the pendulum comes to rest after some time due to ____.
air friction
moment of inertia
weight of the bob
combination of all the above
/
An object is attached to the bottom of a light vertical spring and set vibrating. The maximum speed of the object is 15 cm/s and the period is 628 milliseconds. The amplitude of the motion in centimeters is ____.
3.0
2.0
1.5
1.0
When a mass m is attached to a spring, it normally extends by 0.2 m. The mass m is given a slight addition extension and released, and then its time period is ____.
1 s
If a body of mass 0.98 kg is made to oscillate on a spring of force constant 4.84 N/m, the angular frequency of the body is ____.
1.22 rad/s
2.22 rad/s
3.22 rad/s
4.22 rad/s
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Description:

OSCILLATIONS and simple harmonic motion

Discussion

Parker512

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1938 days 12 hours 29 minutes ago

hussein

question 4: answer 2: it's not the correct answer because it's "b=0 and a=-c" not "a=c"... plz correct it or change the correct answer to 'none of the above"

3994 days 8 hours 24 minutes ago

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