Question

Some ringtones for mobile phones can only be heard by young people. What is the likely frequency of these ringtones?
a. 250 Hz
b. 5,000 Hz
c. 10,000 Hz
d. 17,000 Hz​

Answer 1

Answer:

About 250 Hz

Explanation:

People of All ages without a hearing impairment should be able to hear the 8000hz. People under 50 should be able to hear the 12,000hz and people under 40, the 15,000hz. Under 30s should hear the 16,000hz, and the 17,000hz is receivable for those under 24.