Use the Following Figure for the Next Two Questions $\times$ 10^-19 J

question 31

Multiple Choice

Use the following figure for the next two questions.
Apparatus for studying the photoelectric effect
-The work function of the material being investigated is 3.5 $\times$ 10^-19 J.The battery is set at 1.5 V.What is the longest wavelength of light needed to produce an electric current from the cathode (C) to the anode (A) ?

• A)337 nm
• B)354 nm
• C)620 nm
• D)827 nm
• E)None of these is correct.

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Definitions:

Mineralcorticoid

A class of corticosteroids that are involved in maintaining electrolyte balance and water balance in the body.

Aldosterone

Hormone secreted by the adrenal cortex that regulates the sodium and potassium ion balance of the blood.

ADH

Antidiuretic Hormone, also known as vasopressin, a hormone that helps regulate the body's balance of water by reducing the amount of water excreted in urine.

ACTH

Adrenocorticotropic hormone, a polypeptide tropic hormone produced and secreted by the anterior pituitary gland that stimulates the adrenal cortex.