The angle of intersection of the two plane mirrors of an optical square is______________? February 15, 2021 / By Preparation Point / Top 20 MCQs Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA. 30° B. 45° C. 60° D. 90° Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn