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Simple Harmonic Motion and Waves
At one end of a ripple tank 90 cm across, a 6Hz vibrator produces waves whose wavelength is 30 mm. The time needed to cross the waves is
3 seconds
7 seconds
10 seconds
5 seconds
Author:
rikazzz
Comment
Simple Harmonic Motion and Waves
If speed of radio wave is 4×10
8
ms
-1
, where 1M = 10
6
. The wavelength of the radio waves transmitted at 80Mhz will be
6 m
10 m
8 m
5 m
Author:
rikazzz
Comment
Simple Harmonic Motion and Waves
If the length of a simple pendulum is doubled then its time will be
2.8π√(l⁄g)
2π√g
4π√(l⁄g)
tripled
Author:
rikazzz
Comment
Simple Harmonic Motion and Waves
Waves which require medium for propagation are
electromagnetic
mechanical
transverse
longitudinal
Author:
rikazzz
Comment
Simple Harmonic Motion and Waves
The motion of ceiling fan
is SHM
isn’t SHM
Linear
quadratic
Author:
rikazzz
Comment
Simple Harmonic Motion and Waves
Christian Huygens invented the pendulum clock in
1657
1670
1682
1656
Author:
rikazzz
Comment
Simple Harmonic Motion and Waves
The time period of simple pendulum 1 m long at a location where g=10ms
-1
will be
2.5 s
1.5 s
3 s
1.99 s
Author:
rikazzz
Comment
Simple Harmonic Motion and Waves
A device to produce water waves and to study their characteristics is known as
screw gauge
ripple tank
measuring cylinder
wave container
Author:
rikazzz
Comment
Simple Harmonic Motion and Waves
The mechanical waves in which particles of the medium vibrate about their mean position along the direction of propagation of the waves are called
transverse waves
longitudinal waves
mechanical waves
electromagnetic waves
Author:
rikazzz
Comment
Simple Harmonic Motion and Waves
Water waves are
electromagnetic
longitudinal
mechanical
chemical
Author:
rikazzz
Comment
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