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Category: Optics

A-glass-prism-made-from-a-material-of-refractive-index-1-55-has-a-refracting-angle-of-60-The-prism-is-immersed-in-water-of-refractive-index-1-33-Determine-the-angle-of-minimum-deviation-for-a-paralle

Question Number 38923 by NECx last updated on 01/Jul/18 Aglassprismmadefromamaterialofrefractiveindex1.55hasarefractingangleof60°.Theprismisimmersedinwaterofrefractiveindex1.33.Determinetheangleofminimumdeviationforaparallelbeamoflightpassingthroughthe$${prism}. \

A-man-2m-50cm-tall-stands-a-distance-of-3m-in-front-of-a-large-vertical-plane-mirror-i-what-is-the-shortest-length-of-the-mirror-that-will-enable-the-man-see-himself-fully-ii-what-is-the-answer-of-t

Question Number 38235 by NECx last updated on 23/Jun/18 Aman2m50cmtallstandsadistanceof3minfrontofalargeverticalplanemirror.i)whatistheshortestlengthofthemirrorthatwillenablethemanseehimselffully?ii)whatistheansweroftheabove$${if}\:{the}\:{man}\:{were}\:\mathrm{5}{m}\:{away}? \

Two-plane-mirrors-are-inclined-at-an-angle-of-30-A-ray-of-light-which-makes-an-angle-of-incidence-of-50-with-one-of-the-mirrors-undergoes-two-successive-reflections-at-the-mirrors-Calculate-the-angl

Question Number 37945 by NECx last updated on 19/Jun/18 Twoplanemirrorsareinclinedatanangleof30°.Arayoflightwhichmakesanangleofincidenceof50°withoneofthemirrors,undergoestwosuccessivereflectionsatthemirrors.Calculatetheangleofdeviation.$$ \