The Bandgap of Si Is 107 $\times$ 10^-34 J $\times$ 10⁸ M/s)
A) 551

question 55

Multiple Choice

The bandgap of Si is 107.1 kJ/mol.What is the maximum wavelength of light that can excite an electron transition across the band gap? (h = 6.626 $\times$ 10^-34 J.s; c = 3.000 $\times$ 10⁸ m/s)

• A) 551.4 nm
• B) 1118 nm
• C) 549.0 nm
• D) 1852 nm
• E) 516.9 nm

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Definitions:

Manufacturing Margin

The difference between the cost of manufacturing the product and the price it is sold for, indicating the profitability of production.

Variable Cost

Costs that change in proportion to the level of activity or volume of production in a company.

Absorption Costing

The reporting of the costs of manufactured products, normally direct materials, direct labor, and factory overhead, as product costs.

Operating Leverage

Operating leverage describes the extent to which a company can increase its profits by increasing sales, highlighting the fixed versus variable costs structure.