Question

Which of the following object is not luminous? A) Fluorescent tube when switched on B)Flame of a gas burner​

Answer 1

Answer:

B) Flame of a gas burner

Explanation:

Because luminous is something which emits light and a tubelight does emit light but the outermost part of a flame does not..

Hope it helps uh mate :)

Answer 2

B) Flame of a gas burner