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: Dental
Woods lamp has a frequency of – 
Select and explain. 
A. 250 nm, B. 300 nm, C. 320 nm, D. 360 nm
D: 360 nm
Answer: D: 360 nm 
Explanation: The filter of wood lamp allows only certain wavelengths of UV rays (365 nm) to filter through