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Question

Why is the screen of the cathode ray tube coated ? Name the material used for coating.

A
florocent material.
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B
normal material
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C
highy resistive material
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D
none of these
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Solution

The correct option is A florocent material.
The screen is coated with florocent material.
On striking this coat on the screen the electronic beam appears as visual pattern of bright spots so that we can view it.

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