×

### Let's log you in.

or

Don't have a StudySoup account? Create one here!

×

or

by: Jalon Willms

15

0

15

# Physics III PH 113

Jalon Willms
RHIT
GPA 3.69

Renat Letfullin

These notes were just uploaded, and will be ready to view shortly.

Either way, we'll remind you when they're ready :)

Get a free preview of these Notes, just enter your email below.

×
Unlock Preview

COURSE
PROF.
Renat Letfullin
TYPE
Class Notes
PAGES
15
WORDS
KARMA
25 ?

## Popular in Physics 2

This 15 page Class Notes was uploaded by Jalon Willms on Monday October 19, 2015. The Class Notes belongs to PH 113 at Rose-Hulman Institute of Technology taught by Renat Letfullin in Fall. Since its upload, it has received 15 views. For similar materials see /class/225113/ph-113-rose-hulman-institute-of-technology in Physics 2 at Rose-Hulman Institute of Technology.

×

## Reviews for Physics III

×

×

### What is Karma?

#### You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 10/19/15
Physics 1 1 3 Lecture 12 39 Interference f g Today s Lecture will cover 3 Chapter 35 Today Theory of Interference Examples Young s Double Slit Interference Multiple Slits Physics 102 Lecture 20 Slide 2 Superposition O Q What happens when two waves collide O A They ADD together We say the waves are superposed M Movie superpulse M Movie superpulse2 Here is how it goes Superposition amp Interference We have seen that when colliding waves combine add the result can either be bigger or smaller than the original waves We say the waves add constructively or destructively depending on the relative sign of each wave M will add constructively gt M will add destructiver o In general we will have both happening gt lt Movie super Two sine waves traveling in the same direction Constructive and Destructive Interference 31 A sinfkr wt Sum of twc WEIRquotES I A inm m m y y EAcuswi leim w m RESUMEmt w We is 1 3 Algebraic 5mm uf HM 39df39isplacmmantts 231 Sinumida with ha 5mm k and a 3 Amp tum isl EAcnaf 112 I 1 Q a a I J l I I i 1 i l Amplitude 2Aeee f2 Cemetmetive interference 4m Em ete I39vIexim um anlplimvde Destructive haterferenee e it 37 5x etc Mit limum amplitude a 7 I m a a a 1 I lt I V in a a a i j Problem 1 Two loudspeakers emit 500 Hz sound waves with an amplitude of 01 mm Speaker 2 is 10 m behind speaker I and the phase difference between the speakers is 90 What is the amplitude of the sound wave at a point 20 m in front of speaker I m Problem 2 Two identical loudspeakers separated by a distance d emit 170 Hz sound waves along the xaxis As you walk along the xaxis away the speakers you don t hear anything even though both speakers are on What are possible values for d Assume the sound speed is 340 ms Problem 3 Two loudspeakers emit sound waves along the XaXis The sound has maximum intensity when the speakers are 20 cm apart The sound intensity decreases as the distance between the speakers is increased reaching zero at a separation of 60 cm What is the wavelength of the sound If 39the distance between the speakers continues to increase at what separation will the sound intensity again be a maximum Interference for Light Can t produce coherent light from separate sources f z 1014 Hz Need two waves from single source taking two different paths Two slits Re ection thin film39s o 39 Two different Diffraction paths 44 Single source 39 Interference possible here Young s Double Slit Key Idea L Two rays travel almost exactly the same distance screen must be veryfar away L gtgt d Bottom ray travels a little further Key for interference is this small extra distance Physics 113 Dr Renat Letfullin Young s Double Slit Quantitative i sin6 e tan6 yLi Path length difference d sin 9 Constructive interference Destructive interference Where m 0 1 2 Physics 113 Dr Renat Letfullin

×

×

### BOOM! Enjoy Your Free Notes!

×

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

## Why people love StudySoup

Jim McGreen Ohio University

#### "Knowing I can count on the Elite Notetaker in my class allows me to focus on what the professor is saying instead of just scribbling notes the whole time and falling behind."

Allison Fischer University of Alabama

#### "I signed up to be an Elite Notetaker with 2 of my sorority sisters this semester. We just posted our notes weekly and were each making over \$600 per month. I LOVE StudySoup!"

Jim McGreen Ohio University

Forbes

#### "Their 'Elite Notetakers' are making over \$1,200/month in sales by creating high quality content that helps their classmates in a time of need."

Become an Elite Notetaker and start selling your notes online!
×

### Refund Policy

#### STUDYSOUP CANCELLATION POLICY

All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email support@studysoup.com

#### STUDYSOUP REFUND POLICY

StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here: support@studysoup.com

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to support@studysoup.com