@min- H = 120 m Object 1 Object 2 The Rayleigh criterion can be used to estimate the smallest distances that can separate two objects on the ground, if a person on a hang glider is to have any hope of distin- guishing one object from the other.

@min- H = 120 m Object 1 Object 2 The Rayleigh criterion can be used to estimate the smallest distances that can separate two objects on the ground, if a person on a hang glider is to have any hope of distin- guishing one object from the other.

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 4.2CYU: Check Your Understanding For the experiment in Example 4.2, at what angle from the center is the...

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Question

A hang glider is flying at an altitude of H = 120 m. Green light (wavelength = 555 nm in vacuum) enters the pilot’s eyes through a pupil that has a diameter of D = 2.5 mm. The average index of refraction of the material in the eye is approximately n = 1.36. Determine how far apart two point sources must be on the ground if the pilot is to have any hope of distinguishing between them.

@min-
H = 120 m
Object 1 Object 2
The Rayleigh criterion
can be used to estimate the smallest
distances that can separate two objects
on the ground, if a person on a hang
glider is to have any hope of distin-
guishing one object from the other.

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