Dr. S K Jain and Dr. Shailesh K Jain Solutions for Chapter: Sound, Exercise 4: CLASS ASSIGNMENT 4
Dr. S K Jain Physics Solutions for Exercise - Dr. S K Jain and Dr. Shailesh K Jain Solutions for Chapter: Sound, Exercise 4: CLASS ASSIGNMENT 4
Attempt the practice questions on Chapter 6: Sound, Exercise 4: CLASS ASSIGNMENT 4 with hints and solutions to strengthen your understanding. Physics solutions are prepared by Experienced Embibe Experts.
Questions from Dr. S K Jain and Dr. Shailesh K Jain Solutions for Chapter: Sound, Exercise 4: CLASS ASSIGNMENT 4 with Hints & Solutions
Why do sound waves get reflected from hard surfaces both even and rough.

What is echo? What should be the minimum distance between the observer and obstacle for echo to be heard?

What are reverberations? How can reverberations be minimised in auditorium/hall?

Name some simple devices based on multiple reflection of sound.

Explain briefly the stepwise operation of the human ear.

How are some defects in a metal block be detected using ultrasound?

Does sound follow the same laws of reflection as light does?

How is ultrasound used for cleaning hard-to reach places?
