wiz-icon
MyQuestionIcon
MyQuestionIcon
10
You visited us 10 times! Enjoying our articles? Unlock Full Access!
Question

A sound wave with an amplitude of 6 cm starts towards right from origin and gets reflected at a rigid wall after a second. Considering no energy loss at the wall, the reflected wave will have an amplitude of

A
-3 cm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
+ 3 cm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
-6 cm
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
0 cm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C -6 cm
Upon reflection , since energy is not lost, amplitude will not change. Since it is happening in a rigid wall phase reversal takes place and hence the correct answer is -6 cm

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Sound Properties
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon