Question

Multiple choice questions on reflection of sound waves

Answer 1

1). A sound wave travels from east to west, in which direction do the particles of air move?
(A) East – west (answer )                   (B)North - south
(C) Up and down                         (D) None of these.

2). Nature of sound wave is :
(A) transverse(answer)                      (B)longitudinal
(C) electromagnetic                      (D)seismve

3). Sound waves in air are :
(A) Longitudinal waves (answer)           
(B)Radio waves
(C) Transverse waves                    
(d)electromagnetic waves

4). The minimum distance between the source and the reflector, so that an echo is heard is approximately equal to ___
1.10 m
2.17 m (answer)
3.34 m
4.50 m

5). Which of the following is not a characteristic of a musical sound?
1.Pitch
2.Wavelength(answer)
3.Quality
4.Loudness

6). Sound waves do not travel through..
1.solids2.liquids3.gases
4.vacuum(answer )

7). The frequency which is not audible to the human ear is....
1.50 Hz
2.500 Hz
3.5000 Hz
4.50000 Hz(answer)

8). The speed of sound in medium depends upon
1.amplitude
2.frequency
3.wavelength
4.properties of the medium(answer)

9). Which of the following will remain unchanged when a sound wave travels in air or in water?
1.Amplitude
2.Wavelength
3.Frequency(answer)
4.Speed

10).The method of detecting the presence, position and direction of motion of distant objects by reflecting a beam of sound waves is known as ___
1.RADAR
2.SONAR(answer)
3.MIR
4.CRO

@@@hope it helps@@@!!?!?