The loudness of a sound that a person can withstand without discomfort is about
a. 150 dB.
b. 215 dB.
c. 30 dB.
d. 80 dB
The answer is the option (d) 80 dB.
A human can tolerate a sound level of 80 dB without experiencing any pain. Normally, a human can hear sounds as low as 0 dB. However, the volume and frequency differ between humans and animals. Hence, (d) is the correct option.