A Diffraction-Limited Laser of Length and Aperture Diameter D $\lambda$

question 15

Multiple Choice

A diffraction-limited laser of length and aperture diameter d generates light of wavelength $\lambda$ . If the beam is directed at the surface of the Moon a distance D away, the radius of the illuminated area on the moon is approximately:

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Definitions:

SML

The Security Market Line, a graphical representation of the Capital Asset Pricing Model (CAPM) that displays the expected return of an investment as a function of its systemic risk.

Required Rate Of Return

The minimum percentage return an investor expects to receive from an investment, taking into account its risk.

Portfolio

A collection of investments held by an individual or institution, including stocks, bonds, commodities, and more, aimed at diversifying risk.

Required Return

The minimum expected return on an investment necessary for it to be considered a viable option, taking into account its risk level.