lecture27-interference part 2-

lecture27-interference part 2- - What you will be able to...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
What you will be able to do a/er today … the condi4ons for construc4ve and destruc4ve interference the intensity varia4on for waves interfering Explain … if waves are interfering construc4vely or destruc4vely based on path diFerence and±or an ini4al phase diFerence Calculate … knowledge of how intensity changes with distance and see its connec4on to interference [email protected] Apply …
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Conditions for Constructive and Destructive Interference Constructive Interference Destructive Interference path difference (in meters) phase difference (in radians) ! x = m ! ! x = ( m + 1 2 ) ! = m ! 2 " ! = ( m + 1 2 ) ! 2 ! = 2 ! x # + ! 0
Background image of page 2
(a) What is the smallest distance for d for this to be true? (b) What other distances would still work (chose two). Two in-phase loud speakers separated a distance d emit 170 Hz sound waves along the x-axis. As you walk along the central axis (away from the speakers), you don’t hear any sound – even though both speakers are turned on. à
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/15/2012 for the course PHYS 101 taught by Professor Bates during the Winter '08 term at UBC.

Page1 / 14

lecture27-interference part 2- - What you will be able to...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online