Q. The correct sequence of the increasing wavelength of the given radiation sources is
A) Radioactive sources, X-ray tube, crystal oscillator, sodium vapour lamp
B) Radioactive source, X-ray tube, sodium vapour lamp, crystal oscillator
C) X-ray tube, radioactive source, crystal oscillator, sodium vapour lamp
D) X-ray tube, crystal oscillator, radioactive source, sodium vapour lamp
Explanation
(b) Radioactive source, X-ray tube, sodium vapour lamp, crystal oscillator
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.