A. Solid
B. Liquid
C. Gases
D. Vaccum
Submitted by: M Khobaib Tariq
Related Mcqs:
- When sound waves travel from air to water which of the following quantities remains unchanged?
A. Speed
B. Frequency
C. Intensity
D. WavelengthSubmitted by: Rashid Mehmood
- The echo (reflected sounD. will be distinctly heard only at ordinary temperatures if the distance of the reflecting surfaces from the source of sound is at least ________?
A. 1120 ft
B. 120 ft
C. 56 ft
D. 100 ft
E. None of these - Name the branch of science which deals with the study of sound and sound waves?
A. Aeronautics
B. Acoustics
C. Aerostatics
D. AetiologySubmitted by: ABDUL HAYEE
- Earthquake waves travel faster in __________?
A. Water
B. Flexibl rock
C. Air
D. SoilSubmitted by: G.M Zuhrani
- The maximum risk to air travel is from?
A. Clouds
B. Rainfall
C. Fogs
D. Strong WindsSubmitted by: Syed Nizakat Ali Shah
- Sound waves are _________ waves.
A. Transverse
B. Electromagnetic
C. Longitudinal
D. None of these - Microphone converts sound energy into ___________?
A. Microwaves
B. Electrical signals
C. Optical Signals
D. Heat energySubmitted by: Fahad Iqbal
- Sound travels_______ in solid materials then liquid?
A. Constant
B. Slowest
C. Fastest
D. None of theseSubmitted by: Ghulam Murtaza
- Sound of frequency below 20 Hz is:___________?
A. Audiosonic
B. Infrasonic
C. Ultrasonic
D. SupersonicSubmitted by: Fahad Mehsud
- Speed of sound in air is _______km/h?
A. 1347
B. 243
C. 1235
D. 1495Submitted by: Warraich