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.Management Sciences
Category: Waves
The waves that require a material medium for their propagation are called__________________?
A. matter waves
B. electromagnetic waves
C. carrier waves
D. mechanical waves
Doppler effect applies to____________________?
A. sound wave only
B. light wave only
C. both sound and light waves
D. neither sound nor light wave
The velocity of sound in air would become double than its velocity at 0°C at temperature ?
A. 313°C
B. 586°C
C. 819°C
D. 1172°C
The distance between any two consecutive crests or troughs is called____________________?
A. frequency
B. period
C. Wave length
D. phase difference
It is possible to distinguish between transverse and longitudinal waves form the property of __________________?
A. refraction
B. polarization
C. interference
D. diffraction
According to Newton sound travel in air under the conditions of_____________________?
A. adiabatic
B. isothermal
C. isobaric
D. isochoric
Fundamental frequency of stationary waves in open pipe is ______________ times the frequency in closed pipe?
A. One
B. Two
C. Four time
D. None of these
The periodic alternation of sound between maximum and minimum loudness are called___________________?
A. silence zone
B. interference
C. beats
D. resonance
The number of beats produced per second is equal to____________________?
A. the sum of the frequencies of two tuning forks
B. the difference of the frequencies of two tuning forks
C. the ratio of the frequencies of two tuning forks
D. the frequency of either of the two tuning forks
Beats are the results of____________________?
A. diffraction of sound waves
B. constructive and destructive interference
C. polarization
D. destructive interference
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