A. Michael Faraday
B. James Maxwell
C. Yuri Gagarin
D. J.J Thomson
Submitted by: Shahid Sargarh
Related Mcqs:
- When an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is______________?
A. 0.33 nm
B. 0.34 nm
C. 0.35 nm
D. 0.36 nm - What is the name of newsly discovered galaxy which may be the earliest and most distant galaxy ever discovered in April 2022?
A. HD1
B. GN-z11
C. Milky way
D. None of theseSubmitted by: adeel2550
- The absolute value of charge on electron was determined by ________ ?
A. J.J.Thomson
B. Chadwick
C. Rutherford
D. Robert MillikanSubmitted by: Rashid Mehmood
- When electron jump into orbit 1 then series obtained is___________________?
A. Lyman
B. Paschen
C. Pfund
D. Brackett - Charge of electron was measured by__________________?
A. J.J Thomson
B. Millikan
C. Rutherford
D. Perrin - Wavelength of electron was verified by_________________?
A. Moseley
B. Davisson and Germer
C. Einstein
D. Roentgen - Quantum number which tells the energy of electron is________________?
A. n
B. 1
C. m
D. s - Unpaired electron in a molecule gives ______________ character ?
A. Ferromagnetic
B. Paramagnetic
C. Diamagnetism
D. Both A & B - Higher value of electron affinity means__________________?
A. Atom will lose electron easily
B. Atom will gain electron easily
C. Atom may form di-positive ion
D. The reason is unknown - An element having low value of ionization energy and low value of electron affinity is likely to belong to__________________?
A. Group IA
B. Group IB
C. Group VIIA
D. Group VIII
The correct answer to the question: "Electron was discovered by?" is "J.J Thomson".