Post category:Everyday Science Mcqs Post comments:0 Comments The number of oscillations per second is called the_____. A. hertz B. waves C. pitch D. frequency Read more articles Previous PostThe first chemical explosive, Gunpowder, is a mixture of_____. Next PostSound waves from a loudspeaker are caused by_____. You Might Also Like Instrument used for measuring very high temperature is _____. March 9, 2022 A seasonally reverse wind is known as_____? September 1, 2021 Thalassemia is due to: February 16, 2022 There are _____ methods of heat transfer. March 10, 2022 ______ are called the powerhouses of the cell. March 10, 2022 Lack of Iodine causes what disease mostly? June 28, 2020 Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment. Δ