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(a) Find the angle between the first minima for the two sodium vapor lines, which have wavelengths of 589.1 and 589.6 nm, when they fall upon a single slit of width 2.00$\mu {m}$ (b) What is the distance between these minima if the diffraction pattern falls on a screen 1.00 m from the slit? (c) Discuss the ease or difficulty of measuring such a distance.

A. $0.0150^{\circ}$B. 0.262 $\mathrm{mm}$C. This distance is very small, so it is not easily measured by human eye, but under a microscopeor magnifying glass it is quite easily measurable.

Physics 103

Chapter 27

Wave Optics

University of Washington

University of Winnipeg

McMaster University

Lectures

02:51

In physics, wave optics is…

10:02

Interference is a phenomen…

02:27

Monochromatic light of wav…

08:09

The distance between the f…

01:42

(a) Sodium vapor light ave…

15:55

A diffraction grating havi…

03:22

(a) Find the angle of the …

01:48

02:41

Monochromatic light (wavel…

02:36

In the two-slit experiment…

10:00

14:48

Light of wavelength 600 $\…

A sodium-vapor street lamp…

06:57

A slit 1.00 $\mathrm{mm}$ …

06:37

(a) What is the distance b…

02:50

09:58

Suppose that the single sl…

08:07

Diffraction by a single Sl…

02:02

(a) Calculate the angle at…

03:19

Visible light passes throu…

05:30

Two very narrow slits are …

05:21

Two diffraction gratings, …

the angle between the 1st 2 in the mob. First you meaning me. Mima can be found by finding first take one and then they better to then subtracting gratitude from a theta one we get, Ah, the first angle minimal. So if this is about a so d sign that one, is it cool to any Linda one for our first order medium that we can find it, that I want me to be cool too Signed in. Worse off Linda one. Do I Baby, this is for first order. Minimum wants obstructing the values we have. Your number one is a 5.891 time stint about reminder seven meters divided by network which is two times into the bottle in minus six meters. Dividing these two numbers and simplifying, we get the angle theta one which is 17 0.13 or 56 degrees. We'll find it in the that too which will be signing were so far 5.8 96 times gentle power minus seven meter divided by two times off, dented while minus six meters. So listen to find this expression, we get a 32 17.14 554 Then, uh, that the two minus that one will be are simply my subtracting this number from this number we get here 0.15 degrees. So this was over about a in part B. We are asked for in the distance between the first minimum. Then why? Which we can find by writing X thing. They don't folder here. So, Ted, have you just found X is one. So, deng, that of 0.15 Cool. This is a call to to foreign 62 dimes. Don't power minus four reacher, which is equal to 0.262 millimeter. So this most part a But be sorry. So part see here, or the distance. These distances not easily measured by the July but can be measured usually by a microscope microscope or why many for anger, us unifying us

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