Electron
Trending Questions
Albert Einstein
Sir Joseph John Thomson
Sir Edmund Hillary
William Tronisery
- Relative charge of -1
- Charge is opposite and equal to a proton
- All of these
- Negligible mass
What are the cathode rays composed of?
- Only mass
- Only charge
- Neither mass nor charge
- Both mass and charge
J. J. Thomson performed cathode ray tube experiment in which electricity was passed through a coil in the cathode ray tube and scintillations were observed on the screen. Cathode rays which strike on the screen were nothing but:
Electrons
Protons
Neutrons
Can be any of the above
Energy is ________ when an electron jumps from higher energy level to lower energy level.
absorbed
released
neither absorbed nor released
neither absorbed nor released
A charged entity radiating energy is not considered to be stable.
True
False
Who among the following discovered electrons?
J.J Thomson
Rutherford
Charles Darwin
Chadwick
Select the correct statements regarding the electrical charge of electrons and protons.
negatively, positively
positively, negatively
negatively, negatively
positively, positively
The charge on an electron is _______ coulombs.
- +1.602×1019
- +1.602×10−19
- −1.602×1019
- −1.602×10−19
Mass of the electron is approximately 1837 times that of the proton.
True
False