|
When cathode rays are focussed on wax coated on the outside of the upper round head of cathode ray tube, the wax melts quickly showing heat generated by cathode rays. |
HEATING EFFECT PLATINUM FOIL – GUPTA BRAND 8006106
|
When cathode rays are focussed on wax coated on the outside of the upper round head of cathode ray tube, the wax melts quickly showing heat generated by cathode rays. |