MEDIUM
9th ICSE
IMPORTANT
Earn 100

What is the SI unit of frequency and time period?

Important Questions on Sound

EASY
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 9 - Sound>CHAPTER EXERCISE>Q 3

Arrange the three medium, according to the speed of velocity in each air, water, solid.

Note: This question given in the book seems to have errors and the modified question should be as given below.

Arrange the three medium, according to the speed of sound in each air, water, solid.

HARD
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 9 - Sound>CHAPTER EXERCISE>Q 4
What type of scans are used to monitor the growth of unborn baby in the uterus of the mother?
HARD
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 9 - Sound>CHAPTER EXERCISE>Q 5
How does the sand scorpion locate its prey?
EASY
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 9 - Sound>CHAPTER EXERCISE>Q 6
Name the separation between two consecutive rarefaction in a pressure wave.
MEDIUM
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 9 - Sound>CHAPTER EXERCISE>Q 6
Why is sound produced in air, not heard by a person deep inside the water?
EASY
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 9 - Sound>CHAPTER EXERCISE>Q 7
What name is given to the sound waves of frequency too low for human beings to hear?
MEDIUM
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 9 - Sound>CHAPTER EXERCISE>Q 7
What is the full form of SONAR?
HARD
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 9 - Sound>CHAPTER EXERCISE>Q 7
Give three differences between ultrasonic and supersonic sound waves.