A Beam of Light of Two Different Wavelengths Enters a Pane

question 20

Multiple Choice

A beam of light of two different wavelengths enters a pane of glass 3.00 mm thick at an angle of incidence of 56°.The indices of refraction for the two different colors are 1.514 and 1.528.Because of dispersion,the colored beams,although parallel,are separated by a small distance.How far apart are they?

• A) 0.057 mm
• B) 0.0083 mm
• C) 0.025 mm
• D) 0.014 mm
• E) 0.0062 mm

---

Definitions:

Kangaroo Care

Treatment for preterm infants that involves skin-to-skin contact.

Skin-to-Skin Contact

The practice of holding an infant directly against one's skin to promote bonding and physiological stability.

Low-Birth-Weight Infant

An infant born with a body weight of less than 2,500 grams (5.5 pounds), often due to premature birth or poor maternal health.

Postpartum Period

The time immediately following the birth of a child until the mother's body has returned to a near pre-pregnant state, typically considered to be about six weeks, which is critical for both maternal and infant health.