Two plane mirrors are inclined at 70°A rayincident on one mirror at angle θ after reflection falls onsecond mirror and is reflected from there parallel to firstmirrorThe value of θ is[NEETKar2013]

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Two plane mirrors are inclined at 70°A rayincident on one mirror at angle θ after reflection falls onsecond mirror and is reflected from there parallel to firstmirrorThe value of θ is[NEETKar2013]