Question

Fluorescent tubes give more light than a filament bulb of
same power because
(a) the tube contains gas at low temperature
(b) ultraviolet light is converted into visible light by
fluorescence
(c) light is diffused through the walls of the tube
(d) it produces more heat than bulb

Answer 1

Answer:

answer ; B (ultraviolet light is converted into visible light by fluorescence)

Explanation:

I hope this is helpful for you

Answer 2

Answer:

The tubelight has coating of fluorescent material which converts ultra violet light into visible light. Hence the light is more intense.

Explanation:

Fluorescent tubes give more light than a filament

bulb of same power because

(a) the tube contains gas at low temperature

(b) ultraviolet light is converted into visiblelight by fluorescence❤❤

(c) light is diffused through the walls of the tube

(d) it produces more heat than bulb