Sources of sound and observer are moving towards each other, the obser – McqOptions

MCQOPTIONS

1.	Sources of sound and observer are moving towards each other, the observer will hear ___________
A.	High frequency, low wavelength
B.	Low frequency, low wavelength
C.	High frequency, low wavelength
D.	Low frequency, high wavelength
Answer» D. Low frequency, high wavelength

Discussion

No Comment Found

Related MCQs

50 tuning forks are arranged in increasing order of their frequencies such that each gives 4 beats/sec with its previous tuning fork. If the frequency of the last fork is an octave of the first, then the frequency of the first tuning fork is?
Pressure variation of a mechanical wave depends upon ___________
Reverberation time can t be controlled by ___________
Sources of sound and observer are moving towards each other, the observer will hear ___________
For beats to be produced ___________
The first overtone of a stretched wire of given length is 320Hz. The first harmonic is ___________
A wave of frequency 100Hz travels along a string towards its fixed end. When this wave travels back, after reflection, a node is formed at a distance of 10cm from the fixed end. The speed of the wave (incident and reflected) is?
An underwater sonar source operating at a frequency of 60 kHz directs its beam towards the surface. If velocity of sound in air is 330m/s, wavelength and frequency of the waves in air are ___________
The speed of a wave in a medium is 760m/s. If 3600 waves are passing through a point in the medium in 2 min, then its wavelength is?
At what temperature, the speed of sound in the air will become double of its value at 27 C?