know here all things of Cathode Ray Tube was invented by which scientist | Ferdinand  Braun discovered what ?

question : Electricity was invented or discovered by whom ?

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answer : The famous scientist named Ferdinand  Braun was the inventor of Cathode Ray Tube in the year of 1897.

question : Ferdinand  Braun invented which thing and when ?

answer : In ‘1897’ year the well known scientist whose name is ‘ Ferdinand  Braun ‘ was the inventor of  Cathode Ray Tube.

question : when and by whom Cathode Ray Tube was discovered ?

answer : Cathode Ray Tube was the discovery of Ferdinand  Braun which was discovered in 1897 year.

so in short we can say –

invention : Cathode Ray Tube

inventor : Ferdinand  Braun

year : 1897