A speeding motorcyclist sees traffic jam ahead him. He slows down to 36 km 
. He finds that traffic has eased and a car moving ahead of him at 18 km 
is honking at a frequency of 1392 Hz. If the speed of sound is 343 
, the frequency of the honk as heard by him will be
Text Solution
Verified by ExpertsThe correct answer is:
C
Here, speed of motorcyclist, 
km 
Speed of car,
km 
Frequency of source, 
Hz
Speed of sound, 
The frequency of the honk heard by the motorcyclist is
Hz
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