NEET | 2017Sound WavesHard
Question
20. Tow cars moving in opposite directions approach each other with speed of 22 m/s and 16.5 m/s respectively. The driver of the first car blows a horn having a a frequency 400 Hz. The frequency heard by the driver of the second car is [velocity of sound 340 m/s] :-
Options
A.
361 Hz
B.
411 Hz
C.
448 Hz
D.
350 Hz
Solution
As we know for given condition
fapp = f0
fapp = 448 Hz
Create a free account to view solution
View Solution FreeMore Sound Waves Questions
Two pulse in a stretched string, whose centers are initially 8 cm apart, are moving towards each other as shown in the f...In short wave communication wave of which of the following frequencies will be reflected back by the ionospheric layer h...Stationary waves are produced in 10m long stretched string. If the string vibrates in 5 segments and wave velocity 20m/s...A source when at rest in a medium produces waves with a velocity v and a wavelength of λ . If the source is set in motio...A hollow pipe of length 0.8 m is closed at one end. At its open end a 0.5 m long uniform string is vibrating in its seco...