Waves - Result Question 68
70. Two cars moving in opposite directions approach each other with speed of and respectively. The driver of the first car blows a horn having a frequency . The frequency heard by the driver of the second car is [velocity of sound ] : [2017]
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 70. (c)
Solution:
- (c) As we known from Doppler’s Effect