M.Sc. Bio-Physics (PU-CET P.G) 2018 Panjab University Entrance Exam With Answers

Practice Mode:
70.

Visible lights wavelength ranges from:-

A: 0.39-0.77 mm
B: 0.39-0.77 um
C: 0.39-0.77nm
D: 0.39-0.77 cm

The answer is: B