Published by:
CGP EDU Academic Team
Published on: August 14, 2026
An observer is riding on a bicycle and moving towards a hill at 
. He hears a sound from a source at some distance behind him directly as well as after its reflection from the hill. If the original frequency of the sound as emitted by source is 
and velocity of the sound in air is 
, the beat frequency between the two sounds heard by observer will be 
.
Text Solution
Verified by ExpertsThe correct answer is:
20
(20)
──────────────────────────────────────────────────────────────────────────────────────────
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
PART-I PHYSICS
SECTION-A
If momentum , area and time are taken as fundamental quantities, then t…
Which of the following physical quantities have the same dimensions?
A person moved from to on a circular path as shown in figure. If the distance travelled by him is…
A body of mass travels on straight line path with velocity . The net work done by the force durin…
A solid cylinder and a solid sphere, having same mass and radius , roll down the same inclined pl…
Three identical particle A, B and C of mass each are placed in a straight line with . The gravita…