1.

In a Vidicon camera tube,

A. both sides of the target plate have the coating of tin oxide
B. both sides of the target plate have the coating of antimony tri-sulphide
C. the side of target plate facing the light has a coating of tin oxide and the side facing electron gun has a coating of antimony trisulphide
D. the side of target plate facing the light has a coating of antimony trisulphide while the side facing the electron gun has a coating of tin oxide
Answer» D. the side of target plate facing the light has a coating of antimony trisulphide while the side facing the electron gun has a coating of tin oxide


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