A) \[2\pi \] lumen
B) \[4\pi \] lumen
C) \[6\pi \] lumen
D) \[8\pi \] lumen
Correct Answer: D
Solution :
Given, \[L=2\,cd\] The light flux \[\phi \text{=}\,\text{4}\pi L\] \[=4\pi \times 2\] \[\phi \text{=}\,8\pi \]lumenYou need to login to perform this action.
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