X-rays were discovered by

The ultraviolet rays were discovered by .......... in ..........

Canal rays were discovered by discharge tube experiments conducted in a modified cathods ray tube. Give any two characteristics of canal rays.

Canal rays were discovered by discharge tube ex- periments conducted in a modified cathode ray tube. Give any two characteristics of canal rays.

Anode rays were discovered by

Cathode rays were discovered by

Cathode rays were discovered by

Anode rays were discovered by

Pollen embryoids were discovered by