One candela is equivalent to luminous flux of how much per steradian?

Options

  • A. 1 lumen per steradian
  • B. 1 steradian per lumen
  • C. 4π lumen per steradian
  • D. 2π lumen per steradian
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

A. 1 lumen per steradian

Detailed Explanation

The SI relation is 1 candela = 1 lumen per steradian, since I = Φ/Ω.