MEDIUM
9th CBSE
IMPORTANT
Earn 100

Differentiate between longitudinal wave and transverse wave.

Important Questions on Sound

MEDIUM
9th CBSE
IMPORTANT
Full Marks Science>Chapter 12 - Sound>TEST YOUR SKILLS>Q 7
A ship sends out ultrasound waves that return from the seabed and is detected after 3.42 s. If the speed of ultrasound waves through seawater is 1531 m/s. What is the distance of the seabed from the ship?
MEDIUM
9th CBSE
IMPORTANT
Full Marks Science>Chapter 12 - Sound>TEST YOUR SKILLS>Q 8
What is ultrasonic and infrasonic sound wave?
MEDIUM
9th CBSE
IMPORTANT
Full Marks Science>Chapter 12 - Sound>TEST YOUR SKILLS>Q 9
Define amplitude, time period and frequency of sound waves.
HARD
9th CBSE
IMPORTANT
Full Marks Science>Chapter 12 - Sound>TEST YOUR SKILLS>Q 10
With the help of an activity show that sound cannot travel in vacuum.
MEDIUM
9th CBSE
IMPORTANT
Full Marks Science>Chapter 12 - Sound>TEST YOUR SKILLS>Q 11
Give three uses of ultrasound.
MEDIUM
9th CBSE
IMPORTANT
Full Marks Science>Chapter 12 - Sound>TEST YOUR SKILLS>Q 12
What is SONAR?