Lakhmir Singh and Manjit Kaur Solutions for Chapter: Sound, Exercise 28: Long Answer Type Questions
Lakhmir Singh Physics Solutions for Exercise - Lakhmir Singh and Manjit Kaur Solutions for Chapter: Sound, Exercise 28: Long Answer Type Questions
Attempt the practice questions on Chapter 5: Sound, Exercise 28: Long Answer Type Questions with hints and solutions to strengthen your understanding. Science for Ninth Class Part 1 Physics solutions are prepared by Experienced Embibe Experts.
Questions from Lakhmir Singh and Manjit Kaur Solutions for Chapter: Sound, Exercise 28: Long Answer Type Questions with Hints & Solutions
Define the term echolocation.
Define the term echocardiography.
Define the term ultrasonography.
Name an animal which navigates and finds food by echolocation.
Which of the two produces ultrasonic waves: porpoise or whale?
What is sonar? Explain its use.
A sonar station picks up a return signal after seconds of sending it. How far away is the object? (Speed of sound in water ).
Draw a neat and labelled diagram of the human ear. With the help of this diagram, explain the construction and working of the human ear.
