EASY
9th CBSE
IMPORTANT
Earn 100

The frequency which is not audible to the human ear is _____.

50% studentsanswered this correctly

Important Questions on Sound

EASY
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 5 - Sound>Practice Questions
Sound and light wave both _____.
EASY
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 5 - Sound>Practice Questions
Which among the following is an example of mechanical waves?
EASY
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 5 - Sound>Practice Questions
Which of the following quantities is transferred during wave propagation?
EASY
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 5 - Sound>Practice Questions
____ is the unit of wavelength.
EASY
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 5 - Sound>Practice Questions
The S.I unit of time is _____.
EASY
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 5 - Sound>Practice Questions
The persistence of audible sound due to the successive reflections from the surrounding objects even after the source has stopped to produce that sound is called _____.
EASY
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 5 - Sound>Practice Questions
Vibrations inside the ear are amplified by three bones namely the _____ in the middle ear.
EASY
9th CBSE
IMPORTANT
The Science Springboard: A Foundation Course Based on NCERT Curriculum>Chapter 5 - Sound>Practice Questions
The ceilings of concert halls and conference halls are made curved because _____.