MEDIUM
8th ICSE
IMPORTANT
Earn 100

What is a longitudinal wave?

Important Questions on Sound

HARD
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 7 - Sound>TEST YOURSELF>Q B
Explain the mechanism of formation of a longitudinal wave when source vibrates in air.
HARD
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 7 - Sound>TEST YOURSELF>Q B
Define the following terms :
(a) Amplitude
(b) Frequency
(c) Time period.
MEDIUM
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 7 - Sound>TEST YOURSELF>Q B
Obtain relationship between the time period and frequency.
HARD
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 7 - Sound>TEST YOURSELF>Q B
Name three characteristics of a musical sound.
HARD
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 7 - Sound>TEST YOURSELF>Q B
How is loudness related to the amplitude of wave?
MEDIUM
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 7 - Sound>TEST YOURSELF>Q B
If the amplitude of a wave is doubled, what will be the effect on its loudness?
HARD
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 7 - Sound>TEST YOURSELF>Q B
How does the wave pattern of a loud note differ from a soft note? Draw a diagram.
MEDIUM
8th ICSE
IMPORTANT
Concise Physics Middle School for Class 8>Chapter 7 - Sound>TEST YOURSELF>Q B
Name the unit in which the loudness of sound is expressed.