Planck's Constant Is 6

question 1

Multiple Choice

Planck's constant is 6.6 * 10^-34 J·s and the electron mass is 9.1 * 10^-31 kg.The de Broglie wavelength of an electron whose speed is 2.0 * 10⁷ m/s is

• A)2.8 * 10^-10 m.
• B)3.6 * 10^-10 m.
• C)3.6 * 10^-11 m.
• D)2.8 * 10¹⁰ m.

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Definitions:

Total Cost

The complete cost of production, including both fixed and variable costs, incurred by a firm in producing and selling a quantity of a good or service.

Variable Cost

Expenses that vary in relation to the amount of products or services a company generates.

Fixed Cost

Costs that do not change with the level of production or sales, such as rent, salaries, and loan repayments.

Economies of Scale

The cost advantages that a business can exploit by expanding their scale of production, leading to a lower cost per unit.