How Fast Must a Nonrelativistic Electron Move So Its De

question 37

Multiple Choice

How fast must a nonrelativistic electron move so its de Broglie wavelength is the same as the wavelength of a 3.4-eV photon? (m_el = 9.11 × 10^-31 kg,c = 3.00 × 10⁸ m/s, 1 eV = 1.60 × 10^-19 J)

• A)2000 m/s
• B)1900 m/s
• C)1700 m/s
• D)1600 m/s
• E)1400 m/s

---

Definitions:

Stock Investments

Financial assets consisting of stakes in companies through the purchase of common or preferred stock shares, with the expectation of earning dividends or capital gains.

Net Income

The amount of money that remains after all operating expenses, taxes, and dividends have been paid, representing the company's profit.

Cost Method

An accounting method used to value inventory or assets, based on the price paid to acquire them.

Stock Investments

Financial assets representing shares of ownership in a corporation, which may provide dividends and capital gains to the investor.