An isotropic source of 2 candela produces light flux equal to
Asked In Exam: BPSC TRE 1.0
Options
- A. 2π lumen
- B. 4π lumen
- C. 8π lumen
- D. 16π lumen
- E. None of the above
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Correct Answer (Detailed Explanation is Below)
C. 8π lumen
Detailed Explanation
For an isotropic source, total luminous flux is Φ = 4πI. Therefore, for I = 2 cd, Φ = 4π × 2 = 8π lumen.
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