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
Physics Fsc Part 1 Chapter 8 Online Test MCQs With Answers
Question # 1
A bat finding its correct location by sending
Choose an answer
Matter waves
Ultrasonic waves
Infrasonic waves
electromagnetic waves
Previous
Skip
Next
Question # 2
The experimental value for the velocity of sound in air is
Choose an answer
233 m-sec
-1
333 m-sec
-1
433 m-sec
-1
533 m-sec
-1
Previous
Skip
Next
Question # 3
The pitch of sound deepens upon
Choose an answer
Intensity of sound
Loudness of sound
Wavelength of sound
Frequency of sound
Previous
Skip
Next
Question # 4
According to Newton, sound travels in air under conditions of.
Choose an answer
Adiabatic
Isothermal
Isobaric
Isochoric
Previous
Skip
Next
Question # 5
If 20 waves passes through he medium in 2 sec of 10 ms-1 then he wavelength is.
Choose an answer
200 m
2 m
1 m
0.5 m
Previous
Skip
Next
Question # 6
Two tuning forks of frequencies 240 Hz and 243 Hz are sounded together, the number of beats per second is.
Choose an answer
Zero
2
3
4
Previous
Skip
Next
Question # 7
Two tunign forks of frequencies 260 Hz and 256 Hz are sounded together , the number of beats per second is.
Choose an answer
2
258
516
4
Previous
Skip
Next
Question # 8
the velocity of sound at 0
o
C is 332 ms-1, the velocity of sound at 10
o
C will be
Choose an answer
337.1 ms-1
338.1 ,ms-1
342.1 ms-1
328.1 ms-1
Previous
Skip
Next
Question # 9
Diffraction is a special type of
Choose an answer
Reflection
Polarization
Interference
Refraction
Previous
Skip
Next
Question # 10
Star moving towards the earth show
Choose an answer
Red shift
Blue shift
Green shift
Yellow shift
Previous
Skip
Next
Question # 11
A set of frequencies which are multiples of the fundamental frequency are called.
Choose an answer
Doppler effect
Nodal frequencies
Beat frequencies
Hamonics
Previous
Skip
Next
Question # 12
10 waves pass through a point in 2 seconds with speed 10 ms-1 the frequency of wave will be
Choose an answer
1 Hz
2 Hz
5 Hz
10 Hz
Previous
Skip
Next
Question # 13
Light waves are
Choose an answer
Longtail waves
Transvers waves
Stationary waves
Mechanical wave
Previous
Skip
Next
Question # 14
The distance between two consecutive trough is called.
Choose an answer
Displacement
Amplitude
Wave length
Wave front
Previous
Skip
Next
Question # 15
On loading the prong of a tuning fork with wax, the frequency of sound.
Choose an answer
Increases
Decreases
Remains same
First increases then decrease
Previous
Skip
Next
Question # 16
Velocity of sound is independent of
Choose an answer
Temperature
Density
Pressure
Medium
Previous
Skip
Next
Question # 17
In which medium the speed of sound is greater.
Choose an answer
Oxygen
Air
Water
copper
Previous
Skip
Next
Question # 18
Waves transport energy without transporting
Choose an answer
Matter
Force
Momentum
All of these
Previous
Skip
Next
Back