Advertisements
Advertisements
Question
What are hearing aids?
One Line Answer
Advertisements
Solution
A hearing aid is a device which increases the loudness and intensity of the incoming sound.
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Complete the following sentences:
An average person can hear sound of frequencies in the range ______ to _________.
Complete the following sentence:
Infrasonic sound is of frequency ______________.
State the approximate speed of ultrasound in air.
What do you understand by the term sonic vibrations? State the range of sonic vibrations for the human ear.
What do you understand by the term ultrasonic vibrations?
Name three animals which can hear ultrasonic vibrations.
How do bats locate their prey during a flight?
State four practical uses of ultrasonic vibrations.
What are ultrasonic?
Ultrasound has frequency of vibration
