​A Common Approximation Is When the Intensity of a Sound

question 90

Multiple Choice

​A common approximation is when the intensity of a sound is doubled,the decibel level increases by 3.The sound level in a particular location is 100 dB.By what approximate factor is the sound intensity increased if the new decibel level of this sound is 106?

• A)​2
• B)​3
• C)​4
• D)​6

---

Definitions:

Pupil

The pupil is the opening in the center of the iris of the eye, through which light enters the eye and is focused on the retina.

Iris

The colored part of the eye surrounding the pupil, responsible for controlling the diameter and size of the pupil.

Lamellated Corpuscle

A specialized nerve ending found in the skin and mucous membranes, responsible for sensing pressure and vibration.

Papillary Layer

The uppermost layer of the dermis, directly underneath the epidermis, rich in capillaries and nerve endings.