Q. Photosynthetically Active Region (PAR) have the electromagnetic region of
A) 300-700 nm
B) 400-700 nm
C) 200-700 nm
D) 300-600 nm
Explanation
400-700 nm. Light is the visible part of electromagnetic spectrum (390-700 nm). Solar radiations have a wavelength of 300-2600 nm. Photosynthetically Active Radiations (PAR) have a large of 400-700 nm
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.