Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
604 views
in Physics by (53.6k points)

Two cars approach each other with a common speed of 20ms-1. The first car sounds a horn and a passenger in the other car estimates it to be 700 Hz. The speed of sound is 332 ms-1

1. Calculate the actual frequency of the horn 

2. When the cars move away from each other, what Is the estimated frequency by the same passenger?

1 Answer

0 votes
by (49.4k points)
selected by
 
Best answer

1. To find true frequency f:

The true frequency, f = 620.5 Hz 

From the equation,

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...