If you were a teenager wanting to sneak around and receive text messages while in class, what would be the best way to get around your teacher's hearing?
A)Put your phone on vibrate, and hope the amplitude is low enough the teacher can't hear it.
B)Put on your cell-phone a ringtone with a very high frequency ring tone.
C)Make a lot of noise every time a message comes in to disguise the sound.
D)Set Brahms' lullaby as your ringtone and hope your teacher is sleepy.

Question

Quizplus · Accepted Answer

High-frequency sounds are harder for adults to hear due to age-related hearing loss (presbycusis), which typically affects the ability to hear higher frequencies. Teenagers can often hear higher frequencies that are inaudible to most adults.

If You Were a Teenager Wanting to Sneak Around and Receive