R P Manchanda, Dr. Neha Jindal and, Ms. Archita Baruah Bhattacharyya Solutions for Chapter: Sound, Exercise 1: ASSESS YOURSELF
R P Manchanda Science Solutions for Exercise - R P Manchanda, Dr. Neha Jindal and, Ms. Archita Baruah Bhattacharyya Solutions for Chapter: Sound, Exercise 1: ASSESS YOURSELF
Attempt the free practice questions on Chapter 12: Sound, Exercise 1: ASSESS YOURSELF with hints and solutions to strengthen your understanding. Together with Science Class 9 solutions are prepared by Experienced Embibe Experts.
Questions from R P Manchanda, Dr. Neha Jindal and, Ms. Archita Baruah Bhattacharyya Solutions for Chapter: Sound, Exercise 1: ASSESS YOURSELF with Hints & Solutions
When sound is reflected from a distant object, an echo is produced and heard in a winter night. Now, if the distance between the reflecting surface and the source of sound production remains the same, will you hear the echo of the same sound on a summer day? Explain.
How are ultrasonic waves used for direction signalling?
Draw a diagram to represent a sound wave.
How does sound produced by a source reach our ears?
Explain how sound travels in the form of density variations in a medium.
What is an echo?
How is an echo different from a reverberation?
Describe an activity to demonstrate that sound follows the same laws of reflection as light.
