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Which one among the following is the correct order of power consumption for light of equal intensity ?

(a) CFL tube < Fluorescent tube < Incandescent bulb < Light emitting diode

(b) Light emitting diode < CFL tube < Fluorescent tube < Incandescent bulb

(c) CFL tube < Fluorescent tube < Light emitting diode < Incandescent bulb

(d) Incandescent bulb < Light emitting diode < Fluorescent tube < CFL tube

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(b) Light emitting diode < CFL tube < Fluorescent tube < Incandescent bulb.

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