EASY
9th CBSE
IMPORTANT
Earn 100

How do the frequency and amplitude affect a musical sound?

Important Questions on Sound

EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 6 - Sound>Higher Order Thinking Skills (HOTS) Questions>Q C
Two musical notes of the same pitch and loudness are played on a violin and a piano. Explain why the wave patterns are different.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 6 - Sound>Higher Order Thinking Skills (HOTS) Questions>Q C
A bat can hear sound at frequency up to 120 kHz. Determine the wavelength of sound in air at this frequency. (take speed of sound as 344 m/s)
MEDIUM
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 6 - Sound>Higher Order Thinking Skills (HOTS) Questions>Q C
A sonar device attached to a ship sends out ultrasound produced and is detected after 4 seconds. If the speed of ultrasound in sea-water is 1600 m/s, what is the distance of the seabed from the ship?
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 6 - Sound>Exercises>Q A
Which wave property determines the loudness of a sound?
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 6 - Sound>Exercises>Q A
Which wave property determines the pitch of a sound?
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 6 - Sound>Exercises>Q A
Establish a relationship between the frequency, wavelength and velocity of a wave.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 6 - Sound>Exercises>Q A
Name the device which converts sound energy into electrical energy and vice versa.
EASY
9th CBSE
IMPORTANT
LIVING SCIENCE PHYSICS 9>Chapter 6 - Sound>Exercises>Q A
Name two factors that may alter the speed of sound in a medium.