A Diffraction Grating with 9,250 Lines/cm Will Exhibit the First

question 22

Multiple Choice

A diffraction grating with 9,250 lines/cm will exhibit the first order maximum for light of wavelength 503 nm at what angle? (1 nm = 10−⁹ m)

• A) 0.48°
• B) 0.27°
• C) 55.5°
• D) 27.7°
• E) ​13.4°

---

Definitions:

Umbilical Cord

A flexible tube that connects a fetus to the placenta, delivering nutrients and removing waste.

Birth Canal

The pathway through which a fetus travels during childbirth, including the cervix, vagina, and vulva.

Perinatal Onset

The commencement of a disease or disorder during the perinatal period, which spans the late stages of pregnancy through the weeks immediately following birth.

Estrogen Levels

The concentration of estrogen hormones in the body, which play a crucial role in the reproductive system, menstrual cycle, and secondary sexual characteristics in females.