Calculating Fringe Distance with Multiple Wavelengths and Slit Spacing

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The problem involves calculating the distance between specific interference fringes produced by two slits when illuminated by a mixture of red and yellow-green light. The parameters include the slit separation, the wavelengths of the light, and the distance to the observation screen.

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  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants discuss the given parameters and question what additional information or formulas are necessary to proceed with the calculations.

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The discussion is ongoing, with participants seeking clarification on the formulas applicable to the problem and expressing curiosity about the initial steps taken by the original poster.

Contextual Notes

There is an indication that the original poster is preparing for a physics assessment, which may impose certain constraints on the problem-solving approach.

Christina
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Two slits are 0.158 mm apart. A mixture of red light wavelength = 665 nm and yellow green light wavelength = 565 nm falls on the slits. A flat observation screen is located 2.24 m away What's the distance on the screen between the third order red fringe and the third order yellow green fringe?

Thanks
 
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What have you tried to start out with?
 
d is given
D is give
wavelenghts are given
what else you want to solve this problem :-)
 
What formula used for this problem neo143? I'm studying for the physics replacement and there are 15 sample problems

Thank you,
Christina
 

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