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:

Predetermined Overhead Rate

A rate used to apply manufacturing overhead cost to products, calculated before the production period begins.

Manufacturing Overhead

All indirect costs related to the manufacturing process, such as utilities, maintenance, and salaries of supervisory personnel.

Variable Manufacturing Overhead

Costs in manufacturing that vary with the level of production output, such as utilities and certain labor costs; they do not remain constant as production levels fluctuate.

Fixed Manufacturing Overhead

Represents the indirect costs associated with manufacturing that do not vary with the level of production, such as factory rent, salaries of factory supervisors, and depreciation of factory equipment.