Q. Which of the following statements is not correct
A) Photographic plates are sensitive to infrared rays
B) Photographic plates are sensitive to ultraviolet rays
C) Infra-red rays are invisible but can cast shadows like visible light
D) Infrared photons have more energy than photons of visible light
Explanation
(d) $E \propto \frac{1}{\lambda};$ also$\ \lambda_{infrared} > \lambda_{visible}\ $so$\ E_{infrared} < E_{visible}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.