Gujarat BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
Cathode rays have:
✓
Charge only.
B
Mass only.
C
Charge as well as mass.
D
Neither charge nor mass.
✓
Answer
Correct option: A.
Charge only.
A cathode ray is a beam of electrons in a vacuum tube traveling from the negatively charged electrode $($cathode$)$ at one end to the positively charged electrode $($anode$)$ at the other, across a voltage difference between the electrodes. They are also called electron beams.
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