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 Speed of object in one direction is called___? May 24, 2021 Bromine is a non metal in: August 26, 2020 What are Columns in Periodic table called? September 30, 2021 Halogens react with metals to form: August 26, 2020 Till now, how many Pakistanis won the Nobel Prize for Physics? August 28, 2022 A black hole has a very strong ……. February 22, 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