Class 11 NEET Physics Waves Questions Questions
© examsiri.com
Question : 88 of 94
Marks:
+1,
-0
Two trains move towards each other with the same speed. The speed of sound is 340 m ∕ s . If the height of the tone of the whistle of one of them heard on the other changes to
times, then the speed of each train should be
(1991)
Go to Question: