(b) How long will it be if the tail-lights35.9 The tail-lights of a car are 1.8 mapart and emit light at a wavelength ofAs you watch the car drive630 nm.directly away from you at a speed of50 km h-l (13.9 ms) your pupil diam-eter is 3 mm.(a) How long will it be before you canno longer distinguish the tail-lightsfrom each other due to diffractionlimits?were blue with a wavelength 0f440 nm instead?

Given data: distance of the car, x =1.8 m Wavelength of the light =630 nm=630×10-9m Diameter of the…

35.9 The tail-lights of a car are 1.8 m apart and emit light at a wavelength of As you watch the car drive directly away from you at a speed of 50 km h- (13.9 m s-) your pupil diam- 630 nm. eter is 3 mm. (a) How long will it be before you can no longer distinguish the tail-lights from each other due to diffraction limits? (b) How long will it be if the tail-lights were blue with a wavelength of 440 nm instead?

35.9 The tail-lights of a car are 1.8 m apart and emit light at a wavelength of As you watch the car drive directly away from you at a speed of 50 km h- (13.9 m s-) your pupil diam- 630 nm. eter is 3 mm. (a) How long will it be before you can no longer distinguish the tail-lights from each other due to diffraction limits? (b) How long will it be if the tail-lights were blue with a wavelength of 440 nm instead?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Diffraction of light

In physics, the term diffraction is defined as the bending of light around the corners of the obstacle. As a light ray passes by an aperture, it bends around the edges or through slits, it spreads out through a narrow opening. The diffracted light will produce fringes of bright and dark or colored bands which are labeled as a diffraction pattern.

Question

(b) How long will it be if the tail-lights
35.9 The tail-lights of a car are 1.8 m
apart and emit light at a wavelength of
As you watch the car drive
630 nm.
directly away from you at a speed of
50 km h-l (13.9 ms) your pupil diam-
eter is 3 mm.
(a) How long will it be before you can
no longer distinguish the tail-lights
from each other due to diffraction
limits?
were blue with a wavelength 0f
440 nm instead?

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