The Distance Between the Ruled Lines on a Diffraction Grating $1900 \mathrm {~nm}$

question 19

Multiple Choice

The distance between the ruled lines on a diffraction grating is $1900 \mathrm {~nm}$ . The grating is illuminated at normal incidence with a parallel beam of white light in the $400 \mathrm {~nm}$ to $700 \mathrm {~nm}$ wavelength band. What is the angular width of the gap between the first order spectrum and the second order spectrum?

• A) \(6.3 ^ { \circ }\)
• B) \(4.3 ^ { \circ }\)
• C) \(5.3 ^ { \circ }\)
• D) \(2.3 ^ { \circ }\)
• E) \(3.3 ^ { \circ }\)

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Definitions:

Renal Medulla

The innermost part of the kidney, composed of renal pyramids and columns, involved in the concentration of urine.

Renal Cortex

The outer portion of the kidney where initial filtration of blood occurs and includes the glomeruli and the convoluted tubules.

Adrenal Glands

Small glands located above the kidneys that produce hormones such as adrenaline and cortisol, involved in stress response and metabolism.

Peritoneal Membrane

A thin, delicate membrane that lines the abdominal and pelvic cavities and covers most of the abdominal organs.