The the Frequency and Wavelength of Light in an Optical $\circ$

question 53

Multiple Choice

The the frequency and wavelength of light in an optical fiber are 4.57 *10¹⁴ Hz and 437 nm,respectively.What is the critical angle for light in this optical fiber,if the fiber is surrounded by water (n=1.33) ?

• A)57.9 \(\circ\)
• B)62.3 \(\circ\)
• C)48.8 \(\circ\)
• D)41.7 \(\circ\)
• E)65.4 \(\circ\)

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Definitions:

Rotator Cuff

A group of muscles and tendons that surround the shoulder joint, keeping the head of your upper arm bone firmly within the shallow socket of the shoulder.

Aponeurosis

A flat and fibrous sheet or ribbon of connective tissue that acts as a tendon to attach muscles to bone or other tissues.

Shoulder Joint

A ball and socket joint that allows a wide range of movement, formed where the humerus fits into the scapula.

Anatomic Position

A reference posture with the body standing upright, arms at the sides, palms facing forward, used to describe the location of body parts.