Acoustics April 28, 2021 / By Preparation Point / Inspector & Sub Inspector jobs Past Papers MCQs Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA) science of waves B) science of sound ✓ C) science of light D) science of electronegative waves Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn