One important function of the Fluorescent Screen is

To transform visual signal to electrical signal

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To transform electrical signal to visual signal

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To transform photon signal to visual signal

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To transform electrical signal to heat signal

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Solution

The correct option is B
To transform electrical signal to visual signal

Fluorescent screen converts electrical signal to visual signal, i.e., when the electron beam strikes the screen it produces a bright spot due to fluorescence.

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Similar questions

Ray A produces Fluorescence on a Zinc Sulphide screen and Ray B produces fluorescence on a soda-glass screen. What are A and B respectively?

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