MEDIUM
9th CBSE
IMPORTANT
Earn 100

 Give three differences between transverse and longitudinal waves.
 

Important Questions on Sound

EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Formative Assessment>Q 13
The frequency of a wave is 2 Hz. Find its time period.
EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Formative Assessment>Q 14
The time period of a wave is 0.02 second. Find its frequency.
EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Formative Assessment>Q 15
The frequency of a wave is 20 Hz and its wavelength in a medium is 20 m. The velocity of the wave in that medium is how much?
 
EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Formative Assessment>Q 16

A wave is shown in the adjacent diagram. What is it's (a) amplitude (b) wavelength?

Question Image 

EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Formative Assessment>Q 17
A tuning fork of 256 Hz is sounded in air. The velocity of sound in air is given as 330 m s-1. Find the wavelength of the sound wave produced.
 
EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Formative Assessment>Q 1
In which of the three media—air, water or iron does sound travel faster at a given temperature?
EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Formative Assessment>Q 2

Which wave property determines loudness?

EASY
9th CBSE
IMPORTANT
Modern's abc+ Of Science - Physics For Class IX>Chapter 6 - Sound>Formative Assessment>Q 2
Which wave property determines pitch?