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Standard VII
Physics
Doppler Effect
73 A policema...
Question
73 A policeman on duty detects a drop of 10% in the pitch of the horn of motion of car as it crosses him. If the velocity of sound is 330m/s find the speed of the car.
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Similar questions
Q.
A police man on duty detects a drop of
10
%
in the pitch of the motion of car as it crosses him. If the velocity of sound is
330
m
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. Calculate the speed of the car:
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A policeman on duty detects a drop of 10 % in the frequency of motor car as it is crosses him If the velocity of sound is 330 m/s, the speed of the car is
Q.
A policeman on duty detects a drop of
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Q.
The speed limit for vehicle on a road is
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r
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s
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Q.
The speed limit for vehicles on a road is 100 Km/hr. A drop of 20% in the pitch of a car horn is detected by a policeman when the car passes him. Does the car driver crosses the speed limit. (Velocity of sound in air = 340 m/s)
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