X-Rays with a Wavelength of 0

question 3

Multiple Choice

X-rays with a wavelength of 0.00100 nm are scattered at 130° by free electrons.What is the kinetic energy of each recoil electron? (1 eV = 1.60 × 10^-19 J,m_electron = 9.11 × 10^-31 kg,c = 3.00 × 10⁸ m/s,h = 6.626 × 10^-34 J ∙ s)

• A)0.50 MeV
• B)0.99 MeV
• C)2.0 MeV
• D)0.34 MeV
• E)0.68 MeV

---

Definitions:

Expected NPV

The anticipated net present value of an investment, considering various future scenarios and their probabilities.

Cost of Capital

The minimum expected return necessary to attract investors to provide capital for a project or investment.

Certainty Equivalent Approach

A method used to evaluate investment opportunities under conditions of uncertainty, adjusting future cash flows to present value as if they were certain.

Forecast Cash Flow

The estimation of the amount of money expected to be received and paid out over a future period.