In $1897$,$J$.$J$. Thomson discovered which particle?

  • A
    Proton
  • B
    Electron
  • C
    Neutron
  • D
    Positron

Explore More

Similar Questions

Cathode rays consist of

An electron is:

When the speed of electrons increases,then the value of its specific charge

The number of secondary electrons emitted per number of primary electrons depends on:

The minimum value of electric field required to pull out electrons from a metal is approximately . . . . . . $V$/cm.

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo