Due to which of the following reasons the light of a tube appears cooler than that of a bulb?

Due to which of the following reasons the light of a tube appears cooler than that of a bulb ?

A. Tungsten is not used in the tube
B. Tube is painted with milky colour
C. Tube consumer less power
D. Surface area of the tube is more than that of bulb
E. None of the above

Show Answer

Answer: A

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