Sound - Class 8
Physics quiz covering sound production, propagation, properties, and human ear structure
Questions
Sound cannot travel through
- solids
- water
- vacuum
- air
In most of the cases vibration of objects are not visible because
- Frequency is very less
- Wavelength is very large
- Wavelength is very small
- Amplitude is small
Sound is produced by
- vibration
- moving
- heating
- cooling
Loudness of sound depends upon its
- Wavelength
- Frequency
- Time period
- Amplitude
Sound of single frequency is called a
- Tone
- Noise
- Note
- Music
The shape of the outer part of human ear is like a
- Frustum
- Funnel
- Dumbbell
- Drum
Pitch of sound depends upon
- Frequency
- Time period
- Wavelength
- Amplitude
Damage to which of the following parts of ear cause hearing impairment?
- Ear canal
- Oval window
- Tympanic membrane
- Pinna
Tympanic membrane is another name of
- Eardrum
- Anvil
- Cochlea
- Voice box
Which of the following require(s) material medium for propagation?
- Light
- Sound
- Transverse wave
- All of the above
In human beings, sound is produced due to vibration of
- Teeth
- Tongue
- Lips
- Vocal chords
The nature of sound waves is
- Mechanical waves
- Longitudinal
- Electromagnetic
- Transverse
The sound which is unpleasant to ear is called
- Note
- Tone
- Noise
- Music
Range of audible sound is
- Less than 20 Hz
- More than 20,000 Hz
- 20-20,000 Hz
- More than 20 Hz
The SI unit of wavelength is
- Lambda
- Hertz
- Meter
- Micron
Which of the following species use ultrasound for navigation and catching prey?
- Cat
- Cow
- Bat
- Owl
The sound of frequency more than 20,000Hz is called
- Infrasound
- Audible sound
- Longitudinal sound
- Ultrasound
Speed of sound __________ with increase in temperature
- Increase
- Decrease
- Remains same
- Depends
The SI unit of frequency is
- Meter
- Hertz
- Decibel
- Lambda