. gure 29.19 fr om your textbook is repeated below. Carefully count the number o

Question

. gure 29.19 fr om your textbook is repeated below. Carefully count the number of wavelengths e number of wave crests) along the following paths between the sits and the screen. e as th a LIGHT b DARK LIGHT 0 DARK LIGHT a. Number of wavelengths between slit A and point a is b. Number of wavelengths between slit B and point a is c. Number of wavelengths between slit A and point b is d. Number of wavelengths between slit B and point b is e. Number of wavelengths between slit A and point c is f. Number of wave crests between slit B and point c is 4. When the number of wavelengths along each path is the same or differs by one or more whole avelengths, interference is [constructive] [destructive and when the number of wavelengths differ by a half-wavelength (or odd multiples of a half-wave- length), interference is It's nice how knowing some physics really charges the way we see things! [constructive] [destructive). ??? 118

Explanation / Answer

4)a)Constructive Interference

4)b)Destructive Interference

3)a)11

3)b)12

3)c)10

3)d)11

3)e)10

3)f)10

  

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