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

Question 8

Multiple Choice

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

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

A Diffraction-Limited Laser of Length and Aperture Diameter D λ\lambdaλ

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

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