If an Electron Has a Wavelength of 0

question 36

Multiple Choice

If an electron has a wavelength of 0.123 nm,what is its kinetic energy,in electron-volts? This energy is not in the relativistic region.(m_electron = 9.11 × 10^-31 kg,1 eV = 1.60 × 10^-19 J,h = 6.626 × 10^-34 J ∙ s)

• A)19.8 eV
• B)60.2 eV
• C)80.4 eV
• D)99.5 eV
• E)124 eV

---

Definitions:

Operating Lease

A lease agreement allowing a company to use an asset without owning it, typically with shorter terms than a finance lease.

Financial Lease

A type of lease in which the lessee has use of the asset for a significant portion of its useful life, and the lease payments are designed to cover the lessor's initial costs.

Debt-Equity Ratio

A financial ratio indicating the relative proportion of shareholders' equity and debt used to finance a company's assets.

Relevant Discount Rate

The interest rate used to discount future cash flows to their present value to account for the risk and time value of money in decision making.