1.

If the luminous intensity of a 100 W unidirectional bulb is 100 candela, then total luminous flux emitted from the bulb is                                                                                              [AIIMS 1998]

A.            861 lumen                             
B.            986 lumen
C.            1256 lumen                           
D.            1561 lumen
Answer» D.            1561 lumen


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