Velocity of sound in vacuum is ____________________? February 3, 2021 / By Preparation Point / Physics Mcqs Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA. 332 ms-1 B. 320 ms-1 C. Zero D. 224 ms-1 Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn