Answer / hiralal

the inner surface of tube light is polished by murcury
powder of white color

Answer / sangeetha

The tubelight appears white because it relects all the
colors(VIBGYOR).

Answer / divya

FLUOROSCENT

Answer / aseef

because of fluoroscent material present in it.

Answer / gagandeep singh

IN COLOR PICTURE TUBE THERE IS COATING OF RED,GREEN& BLUE
PHOSPHOR WHEN LIGHT FALL ON THIS COATING DEPENDING UPON THE
INFORMATION IT MAKE COLOR COMBINATION.IF IT ILLUMINATE
THERE COLOR SIMULTANOSLY THEN IT IS WHITE COLOR

Answer / sony

to observe less heat.

Answer / rajnish

A fluorescent lamp or fluorescent tube is a gas-discharge
lamp that uses electricity to excite mercury vapor. The
excited mercury atoms produce short-wave ultraviolet light
that then causes a phosphor to fluoresce, producing visible
light

Answer / naresh

because the tube filled with mercury gas

Answer / vinod rana

inner side of tube is coated with white murcury power so it
display white light

Answer / stephy

tubelights are painted in white colour

explain structure of optical fibre

0 Answers  

difference between electronics and electrical?

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I am going to face an interview in Ericssion tomorrow for implementation Manager.I need some idea on interview question

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What is he use of embeded systems?

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why does the current through inductor is constant, why current through inductor & voltage across capacitor is constant? can u explin clearly?

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What do you understand by leds?

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Y did u select he engineering?

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what is the problem with parallel communication?

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What is race around condition in a jk flipflop?

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what is the purpose of joining engineering?

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What are different categories of antenna?

0 Answers