The Speed of an Electron Whose De Broglie Wavelength Is $\times$

question 34

Multiple Choice

The speed of an electron whose de Broglie wavelength is 0.0010 m is approximately

• A)7.3 \(\times\) 10^-7 m/s
• B)7.3 \(\times\) 10^-4 m/s
• C)0.73 m/s
• D)0.51 km/s
• E)5.1 \(\times\) 10⁵ m/s

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Definitions:

Long-run Equilibrium

A state in which all factors of production and costs are variable, and firms in the industry make just enough profit to stay in business.

Short-run Profits

Short-run profits occur when a company's revenue exceeds its operating costs within a particular, relatively brief period.

Long Run

A period in economics where all inputs, including capital and labor, can be adjusted.

Perfectly Competitive

A market structure characterized by a large number of small firms, identical products, and free entry and exit, leading to price taking behavior.