You Illuminate a Slit 0

question 87

Multiple Choice

You illuminate a slit 0.20 mm wide with monochromatic light of wavelength 590 nm,and focus the Fraunhofer diffraction pattern on a screen with a lens of focal length 2.00 m.The distance between the two dark fringes on each side of the central bright fringe is

• A)0.295 cm
• B)0.590 cm
• C)1.18 cm
• D)2.95 cm
• E)5.90 cm

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Definitions:

Secretin

A hormone secreted by the small intestine, which stimulates the secretion of pancreatic juice and bile.

Intrinsic Factor

A protein produced by cells in the stomach lining that is essential for the absorption of vitamin B12 in the small intestine.

Pepsinogen

is the inactive form of pepsin, an enzyme in the stomach that breaks down proteins in food.

Stomach

A digestive organ in the gastrointestinal tract that plays a key role in digestion by secreting stomach acids and enzymes.