MEDIUM
9th ICSE
IMPORTANT
Earn 100

Why is sound produced in air, not heard by a person deep inside the water?

Important Questions on Sound

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.
HARD
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 9 - Sound>CHAPTER EXERCISE>Q 9
What principle is used by traveler man to locate shoals of fish?
MEDIUM
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 9 - Sound>CHAPTER EXERCISE>Q 10
Explain experimentally to show that in wave motion the energy is transferred, but the particles of medium do not move.
MEDIUM
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 9 - Sound>CHAPTER EXERCISE>Q 11
Explain four difference between longitudinal and transverse wave.
EASY
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 9 - Sound>CHAPTER EXERCISE>Q 12
A wave travelling with a speed of 240 ms and its wavelength is 3.2 m. Find the value of the period of the wave.
MEDIUM
9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 9 - Sound>CHAPTER EXERCISE>Q 13
A particular source produces 20 crests and 20 troughs in 0.4 s. What will be the frequency of this wave?