The pitch of an acoustic device can be increased by

Assessment: JAMB UTME - Physics - 2018 Subject: Physics

Question 1 Report

The pitch of an acoustic device can be increased by
Answer Details
The pitch of an acoustic device refers to the perceived highness or lowness of a sound, and is determined by the frequency of the sound wave. To increase the pitch of an acoustic device, you need to increase the frequency of the sound wave. This can be done by increasing the number of vibrations per second that the device produces. So, the correct answer is to "increase the frequency".
Read lesson note on Current Electricity (JAMB)
Read lesson note on Sound Waves (WAEC)
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