Question

Absorption coefficient can be measured by

• A. Microphone
• B. Volume resonator
• C. Sonometer
• D. Megaphone

Answer 1

The correct option is A Microphone

$\left(A\right)$ Microphone is used to measured absorption coefficient.
$\left(B\right)$ Volume resonator is used to measured speed of fle sound.
$\left(C\right)$ Sonometer is used to measured frequency of fle sound.
$\left(D\right)$ Megaphone is used to amplify the intensity of the sound.