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Chapter 12 - Wave Motion - 3
1.
The energy of the bob of pendulum at its extreme position is
a) wave energy
b) potential energy
c) kinetic energy
d) mechanical energy
2.
Waves produced by vibrating body in air are
a) longitudinal waves
b) electromagnetic waves
c) magnetic waves
d) transverse waves
3.
The number of waves passing through a point in one second is called its
a) time period
b) frequency
c) velocity
d) amplitude
4.
Match the column..........................time required for one vibration
a) wavelength
b) amplitude
c) time period
d) frequency
5.
Match the column..........................number of vibrations/sec
a) velocity
b) wavelength
c) amplitude
d) frequency
6.
Match the column..........................distance between successive trough
a) frequency
b) velocity
c) amplitude
d) wavlength
7.
Match the column..........................displacement from mean position
a) frequency
b) wavelength
c) velocity
d) amplitude
8.
Match the column..........................when a crest and a trough joined
a) frequency
b) time period
c) wavelenth
d) one complete wave
9.
Match the column..........................tumors
a) force
b) vibratory motion
c) x-rays
d) refraction of waves
10.
Match the column..........................product of mass and acceleration
a) vibratory motion
b) x-rays
c) refraction of waves
d) force
11.
Match the column..........................simple harmonic motion
a) x-rays
b) refraction of waves
c) vibratory motion
d) force
12.
Match the column..........................stroboscope
a) stationary waves
b) x-rays
c) translatory motion
d) refraction of waves
13.
Match the column..........................the wave speed and wavelenth of wave change in the second medium
a) stationary waves
b) force
c) refraction of waves
d) vibratory motion
14.
Match the column..........................freqency
a) second
b) hertz
c) m/s
d) Nm
15.
Match the column..........................time period
a) N/m
b) second
c) m/s
d) meter
16.
Match the column..........................velocity
a) m/s
-1
b) hertz
c) second
d) N/m
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