MCQ
Cathode rays have
- AMass only
- BCharge only
- CNo mass and charge
- ✓Mass and charge both
✓
Answer
Correct option: D.
Mass and charge both
d
Cathode rays have mass and charge both.
Cathode rays have mass and charge both.
Cathode rays are stream of electrons that are negatively charged particles. Cathode rays travel in straight lines from the cathode. The ratio of $e / m$ for a cathode ray is fixed at $1.758820 \times 10^{11} \,C / kg$. It is equal to the ratio of $e / m$ for an electron.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which of following is $D$ ?
→Solid $NaCl$ is a bad conductor of electricity since
→Disymmetric object is one which is
The main product of following reaction will be
When ethanal reacts with $C{H_3}MgBr$ and ${C_2}{H_5}OH$/dry $ HCl $ the product formed are
→Which of the following is not representative element ?
Total planes in $CH_4$ which contains maximum number of atoms?
→Silver halides are used in photography because
In potassium atom, electronic energy level is in the following order
Which species do not have $s{p^3}$ hybridization
→