The number of oscillations per second is called the_____. A. hertz B. waves C. pitch D. frequency 💾 Save the Page as PDF: 📥𝐃𝐨𝐰𝐧𝐥𝐨𝐚𝐝 𝐍𝐨𝐰! Related Read more articles Previous PostThe first chemical explosive, Gunpowder, is a mixture of_____. Next PostSound waves from a loudspeaker are caused by_____. If the aforementioned Answer is Wrong. Leave a Reply with an authentic source.Cancel reply