Advertisements
Advertisements
प्रश्न
Draw labelled diagrams to represent (a) soft sound, and (b) loud sound, of the same frequency.
Advertisements
उत्तर
On the basis of loudness, sound is classified into two types:
Soft sound: It has smaller amplitude and thus this type of sound has lesser loudness.
Loud sound: It has higher amplitude and thus this type of sound has greater loudness.
APPEARS IN
संबंधित प्रश्न
Explain how bats use ultrasound to catch a prey.
A sonar device on a submarine sends out a signal and receives an echo 5 s later. Calculate the speed of sound in water if the distance of the object from the submarine is 3625 m.
Name the characteristic which helps us distinguish between a man's voice and a woman's voice, even without seeing them.
Name the characteristic of sound which depends on (a) amplitude (b) frequency, and (c) waveform.
Name the characteristic of sound which can distinguish between the 'notes' (musical sounds) played on a flute and a sitar (both the notes having the same pitch and loudness).
Fill in the blank with suitable word :
Loudness of sound depends on .....................
What is meant by the quality (or timbre) of sound ? On what factor does the quality (or timbre) of a sound depend ?
Explain why, if we strike a table lightly, we hear a soft sound but if we hit the table hard, a loud sound is heard.
Write any three applications (or uses) of ultrasound.
Define the following terms : (a) Echolocation (b) Echocardiography, and (c) Ultrasonography.
