More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
ECAT Physics Chapter 8 Waves Online Test MCQs With Answers
Question # 1
A swing has
Choose an answer
one natural frequency
two natural frequencies
three natural frequencies
four natural frequencies
Previous
Skip
Next
Question # 2
When half of the cycle of a body executing S.H.M is completed, then the phase of the vibration will be
Choose an answer
45
°
90
°
135
°
180
°
Previous
Skip
Next
Question # 3
Example of progressive wave is
Choose an answer
transverse waves
longitudinal waves
both of them
none of them
Previous
Skip
Next
Question # 4
The loudness and pitch of a sound note depends on
Choose an answer
Intensity and velocity
Frequency and velocity
Intensity and frequency
Frequency and number of harmonic
Previous
Skip
Next
Question # 5
If the time period a simple pendulum is 2 s, its frequency would be
Choose an answer
2 Hz
1.5 Hz
1.0 Hz
0.5 Hz
Previous
Skip
Next
Question # 6
The bob of a simple pendulum is suspended by
Choose an answer
string
heavy inextensible string
light extensible string
light inextensible string
Previous
Skip
Next
Question # 7
An object undergoes S.H.M has maximum speed when its displacement from the mean position is
Choose an answer
maximum
zero
half of the maximum value
one third of the maximum value
Previous
Skip
Next
Question # 8
The waves which propagate through the oscillations of material particles are known as:
Choose an answer
Mechanical waves
Electromagnetic waves
Any of them
None of them
Previous
Skip
Next
Question # 9
In compressional wave,the layer of medium having reduced pressure is called:
Choose an answer
Compression
Elasticity
Node
Rarefaction
Previous
Skip
Next
Question # 10
Fidelity refers to
Choose an answer
Reproduction of original sound
Reproduction of original image
Reproduction of music
Reproduction of a CD from original copy
Previous
Skip
Next
Question # 11
The wave motion set up in any medium depends upon:
Choose an answer
Elasticity
Inertia
Density
All of these
Previous
Skip
Next
Question # 12
If the displacement of a body executing S.H.M is plotted against time, then the curve is known as
Choose an answer
frequency of S.H.M
period of S.H.M
wave form
none of them
Previous
Skip
Next
Question # 13
Which type of wave can be set up in solids
Choose an answer
longitudinal waves
transverse waves
both of them
none of them
Previous
Skip
Next
Question # 14
Smaller the damping, greater will be the
Choose an answer
frequency
wavelength
amplitude
none of them
Previous
Skip
Next
Question # 15
In solids, only following type/s of wave can travel:
Choose an answer
Transverse
Longitudinal
Both A and B
None of them
Previous
Skip
Next
Question # 16
Energy is not carried by
Choose an answer
Transverse progressive waves
Longitudinal vibration
Stationary waves
Electromagnetic
Previous
Skip
Next
Back