Post category:Chemistry Mcqs / Physics Mcqs Post comments:0 Comments Who discovered proton in the nucleus of an atom? A. Chadwick B. JJ Thomson C. Gold Stein D. Bohr Submitted by: Aslam Read more articles Previous PostThe famous equation E=mc^2 is given by which scientist? Next PostWhat is the S.I unit of refractive index? You Might Also Like Bromine is a non metal in: August 26, 2020 The density of water is: May 23, 2021 A Human Ear Can Hear A sound only if its frequency lies between …… February 18, 2022 Which metal is vital for aerospace industry? September 7, 2021 _______ planets orbits around the sun in a clockwise direction? June 21, 2020 The SI unit of Heat is________. June 19, 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