In a cathode ray tube state :
the purpose of the fluorescent screen.

Cathode rays are

In a cathode ray tube state : the purpose of covering cathode by thorium and carbon.

In a cathode ray tube state : How is it possible to increase the rate of emission of electrons.

State the purpose of ratchet in a screw gauge.

State the purpose of the Contact process.

Why is a cathode ray tube evacuated to a low pressure ?

Cathode rays constitute a stream of

Cathode rays move towards

The e/m value for cathode rays depends upon the nature of the gas taken in the discharge tube.

The charge of an electron is 1.6 × 10^(-19) C . How many electrons strike the screen of a cathode ray tube each second when the beam current is 16 mA