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Introductory Physics Homework Help
What is the Newtion Ring Experiment?
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[QUOTE="kenok1216, post: 5447483, member: 591274"] [h2]Homework Statement [/h2] [ATTACH=full]99344[/ATTACH] refractive index of prism=1.45 λ=450nm 50 bright ring are observed find d[h2]Homework Equations[/h2] 2d=nλ/2 [h2]The Attempt at a Solution[/h2] since 50 bright rings are observed n=24 (-24---------0-------------24) if the distance travel=[B]λ/2 constructive interference will happen since the ray1 reflected by prism(n=1.45--->n=1 air)no phase shift by ray 2 air to flat plate have phase shift[/B] 2d=24(λ/2) and [B]λ=450nm/n=450nm/1.45=310nm d=[310nm(24)]/4=1.86x10^-6m but the answer=1.11x10^5m why? [/B][/B] [/QUOTE]
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Introductory Physics Homework Help
What is the Newtion Ring Experiment?
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