This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Skin
Wavelength of light produced by wood's Lamp is ? 
Select and explain. 
A. 320nm, B. 360 nm, C. 400 nm, D. 760-800 nm
B: 360 nm
Answer: B: 360 nm 
Explanation: B i.e. 360 nm