Post category:Everyday Science Mcqs / Physics Mcqs Post comments:0 Comments Radioactivity was discovered by: A. Kelvin B. Thomson C. Rutherford D. Bacquerel Read more articles Previous PostThe density of water is: Next PostA device which converts chemical energy into electrical energy is called: You Might Also Like Lack of Iodine causes what disease mostly? June 28, 2020 What are the primary colours? March 10, 2022 In general, Comets have ______ orbits. March 9, 2022 At night, Plants intake _____ and release _____. March 9, 2022 What Is Momentum? July 31, 2021 How can we symbolically write the Ozone gas? (GSA 2022) May 15, 2022 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