Question

Differentiate between infrasonic and ultra Sonic.



Give quickly............​

Answer 1

The sounds of frequency less than 20Hz are called infrasonics. The infrasonic sounds have below the lower limit of human hearing. The sound of frequency more than 20,000Hz are called ultrasonics. ultrasonic sounds have a frequency above the upper limit of human hearing.

Answer 2

Sound waver with frequency less than 20Hz is infrasonic and with frequency higher than 20 kHz is ultrasonic waves.

Explanation:

The main difference between infrasonic waves and ultrasonic waves are given below.

Infrasonic waves

• It is an inaudible sound (i.e. the human ears cannot hear this sound)
• Frequency less than 20 Hz
• Animals like Elephants, whales, hippos, pigeons etc. can hear this sound  
• E.g.:  volcanic eruptions

Ultrasonic waves

• Inaudible sound
• Frequency more than 20 KHz
• Animals like dogs, bat, dolphins etc. can hear this sound
• e.g.: sounds made by bat or sonar

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