Cathode rays consist of
Cathode rays consist of
- A
Photons
- B
Electrons
- C
Protons
- D
$\alpha $ -particles
Similar Questions
The ratio of specific charge of an $\alpha $ -particle to that of a proton is
The ratio of specific charge of an $\alpha $ -particle to that of a proton is
A beam of cathode rays is subjected to crossed electric $(E)$ and magnetic fields $(B).$ The fields are adjusted such that the beam is not deflected. The specific charge of the cathode rays is given by (where $V$ potential diffrence between kethod and anode)
A beam of cathode rays is subjected to crossed electric $(E)$ and magnetic fields $(B).$ The fields are adjusted such that the beam is not deflected. The specific charge of the cathode rays is given by (where $V$ potential diffrence between kethod and anode)
- [AIPMT 2010]
In Thomson experiment of finding $e/m$ for electrons, beam of electron is replaced by that of muons (particle with same charge as of electrons but mass $208$ times that of electrons). No deflection condition in this case satisfied if
In Thomson experiment of finding $e/m$ for electrons, beam of electron is replaced by that of muons (particle with same charge as of electrons but mass $208$ times that of electrons). No deflection condition in this case satisfied if
In $1897$, J.J.Thomson invented which particle ?
In $1897$, J.J.Thomson invented which particle ?
Write speed of cathode rays.
Write speed of cathode rays.