A car is fitted with a device which transmits sound 60 times per minute. There is no windand speed of sound in still air is 345 m/s. If you hear the sound 68 times per minute,when you are moving towards the car with a speed of 12m/s , the speed of the car mustbe

Question

Examsnet · Accepted Answer

Correct Answer is : 30.0 m/s towards you

JEE Advanced Model Paper 18 with solutions for online practice