Test Index

BITSAT 2019 Slot 2 Solved Paper

© examsnet.com

Question : 6

Total: 150

Two sound producing sources A and B are moving towards and away from a stationary observer with same speed respectively. If frequency of sound produced by both sources are equal as 400Hz, then speed of sources (approximately) when observer detects 4 beats per second, is [Given, speed of sound =340m∕s]

1.7m∕s
3.4m∕s
2.4m∕s
1m∕s

Go to Question:

Prev Question

Next Question