Wave and Sound-III Physics Test Series IIT JEE

Test Preparation on Wave and Sound - III - Physics Test Series IIT JEE-2020

1.

11
22
33
44

2.

11
22
33
44

3.

Two 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 frequency 400 Hz. The
frequency heard by the driver of the second car is [velocity of
sound 340 m/s]

1350 Hz
2361 Hz
3411 Hz
4448 Hz

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