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Simple Harmonic Motion and Waves
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Simple Harmonic Motion and Waves
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Simple Harmonic Motion and Waves
The mechanical waves in which particles of the medium vibrate about their mean position perpendicular to the direction of propagation of the waves are called
transverse waves
longitudinal waves
mechanical waves
electromagnetic waves
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Simple Harmonic Motion and Waves
The frequency of simple pendulum 1 m long at a location where T = 1.99 s will be
0.5 Hz
2 Hz
2.6 Hz
3 Hz
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Simple Harmonic Motion and Waves
The oscillations of a system in the presence of some resistive force are
linear oscillations
simple harmonic oscillations
damped oscillations
random oscillations
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Simple Harmonic Motion and Waves
The acceleration and displacement of a mass attached to spring is
Inversely proportional to each other
Directly proportional to each other
Inversely related to each other
Directly related to each other
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Simple Harmonic Motion and Waves
The speed (v) of the wave is equal to the product of frequency and
vibration
amplitude
wavelength
time period
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Simple Harmonic Motion and Waves
If g
m
= g
e
⁄6, the time period of a simple pendulum is 2s and g
e
= 10ms
-2
. The length of the pendulum on the moon will be
2 m
1 m
0.17 m
2.5 m
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Simple Harmonic Motion and Waves
The relationship between speed (v), frequency (f) and wavelength (λ) is
vf = λ
fλ = v
vλ = f
v = λ/f
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Comment
Everyday Science
X-ray waves, television waves and radio waves are the examples of
mechanical waves
transverse waves
longitudinal waves
electromagnetic waves
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Simple Harmonic Motion and Waves
To produce both transverse and longitudinal waves, we can use a
string
helical spring
ripple tank
tuning fork
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rikazzz
Comment
Simple Harmonic Motion and Waves
If the time period of a simple pendulum is 2 s then it’s length is
1.02m
1.2m
1.4m
1.5m
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rikazzz
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