Who discovered proton in the nucleus of an atom?
A. Chadwick
B. JJ Thomson
C. Gold Stein
D. Bohr
Submitted by: Aslam
The famous equation E=mc^2 is given by which scientist?
A. Newton
B. Einstein
C. Schrodinger
D. None of these
Which symbol is used for the element of Tin
A. Au
B. Sn
C. Fe
D. Hg
Submitted by Hasnain Ali
A chronometer is used for measuring _____?
A. Temperature
B. Current
C. Velocity
D. Longitude
♦ Credit To: Wasim Khan ♦