Q. The wavelength of infrared rays is of the order of

A) $5 \times 10^{- 7}m$
B) $10^{- 3}m$
C) Diverge more
D) None of these
Explanation

(c) The wavelengths of infrared rays lie between $7800\ \mathring{\mathrm{A}}$ to 0.004 cm

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.