How Many Photons Are Contained in a Flash of Green

question 31

Multiple Choice

How many photons are contained in a flash of green light (525 nm) that contains 189 kJ of energy?

• A) 5.67 × 10²³ photons
• B) 2.01 × 10²⁴ photons
• C) 1.25 × 10³¹ photons
• D) 4.99 × 10²³ photons
• E) 7.99 × 10³⁰ photons

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Definitions:

ADH Signal

The ADH signal typically refers to the action of antidiuretic hormone in the body, signaling the kidneys to conserve water.

Tubular Reabsorption

The process by which the nephrons in the kidney reabsorb water and essential nutrients from the filtrate back into the bloodstream.

Concentrates Urine

The process of increasing the solute concentration of urine while removing excess water, primarily occurring in the kidneys.

Dilute Urine

Urine that has a lower concentration of solutes, often a result of increased hydration or specific kidney functions.