Positive rays consists of
Positive rays consists of
- A
Electrons
- B
Neutrons
- C
Positive ions
- D
Electro magnetic waves
Similar Questions
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]
Who produced electromagnetic waves for the first time ?
Who produced electromagnetic waves for the first time ?
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The current conduction in a discharged tube is due to
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An electron initially at rest, is accelerated through a potential difference of $ 200$ volt, so that it acquires a velocity $8.4 \times {10^6}m/s.$ The value of $e/m$ of electron will be
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