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
2.3k views
in Physics by (79.8k points)
edited by

A motor cyclist is moving towards a stationary car which is emitting sound of 165 Hz. and a police car is chasing the motor cyclist blowing siren at frequency 176 Hz. If the speed of police car is 22 m s–1, then the speed of motor cyclist for which the motor cyclist hears no beats is 

(a) zero 

(b) 11 m s–1 

(c) 22 m s–1 

(d) 33 m s–1

1 Answer

+1 vote
by (76.1k points)
selected by
 
Best answer

The frequency recorded by motorcyclist from the sound of the stationary car is 

The frequency recorded by motorcyclist from the sound of the moving police car is

Correct Choice: c.

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

...