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

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Question Number 37945 by NECx last updated on 19/Jun/18

$$Twoplanemirrorsareinclinedat$$$$anangleof30°.Arayoflightwhich$$$$makesanangleofincidenceof50°$$$$withoneofthemirrors,undergoes$$$$twosuccessivereflectionsatthe$$$$mirrors.Calculatetheangleof$$$$deviation.$$$$$$$$$$$$pleasehelp\dots .itsurgent$$

Commented by MrW3 last updated on 20/Jun/18

Commented by MrW3 last updated on 20/Jun/18

$$angleofdeviation=60°$$

Commented by MrW3 last updated on 20/Jun/18

Commented by MrW3 last updated on 20/Jun/18

$$deviationangleisalso60°.$$

Commented by NECx last updated on 20/Jun/18

$$pleasegiveadiagrammatic$$$$representation.Thanksinadvance.$$

Commented by NECx last updated on 20/Jun/18

$$idontunderstandthecalculation$$$$here$$

Commented by MrW3 last updated on 21/Jun/18

Commented by MrW3 last updated on 21/Jun/18

$$deviationanglemeansthechangeof$$$$direction.$$$$tocalculateit,youcantakeanany$$$$referencelineanddeterminethe$$$$anglebetweenthelightrayandthe$$$$referencelinebeforethereflections$$$$andafterthereflections,thedifference$$$$ofbothanglesisthentherequested$$$$deviationangle.$$

Commented by NECx last updated on 22/Jun/18

$$Thankyousomuch.Ireally$$$$understandtheconceptnow.$$

Commented by MrW3 last updated on 23/Jun/18

$$nicetoknowthatIcouldgiveyoua$$$$realhelp.$$

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