Bio-Physics (M.Phil./Ph.D.) 2016 Panjab University Entrance Exam With Answers

Practice Mode:
12.

Visible light wavelengths range from:

A: 0.39 to 0.77
B: 0.39 to 0.77 μm
C: 0.39 to 0.77 nm
D: 0.39 to 0.77 cm

The answer is: B