What Is the Wavelength of an Electron (Mass = 9

question 81

Multiple Choice

What is the wavelength of an electron (mass = 9.11×10 ^{- 31} kg) moving with a velocity of 60 m/s (h = 6.6×10 ^{- 34} J × s) ?

• A) 2.8×10 ^{- 5} m
• B) 3.6×10 ^{- 7} m
• C) 1.2×10 ^{- 5} m
• D) 4.2×10 ^{- 7} m
• E) none of these

---

Definitions:

FCFE Valuation Model

A method used to estimate the value of a company by discounting its expected free cash flows to equity holders at an appropriate risk-adjusted rate.

Discount Rate

The discount rate is the interest rate used to determine the present value of future cash flows in discounted cash flow analysis, reflecting the cost of capital or risk of the cash flows.

Required Rate of Return on Equity

The minimum rate of return that investors expect from their stock investments, considering the risk involved.

Plowback Ratios

A measure of how much of a company's net income is reinvested into the company rather than distributed to shareholders as dividends.