Q. The following table presents the part of the electromagnetic spectrum and their corresponding major applications. [table] Part of the electromagnetic spectrum | Applications ; P. Microwave | I. For purifying the water ; Q. UV rays | II. For warming the food ; R. Gamma rays | III. For AM and FM communication systems ; S. Radio wave | IV. For treating the Cancer cells [/table] The correct option is:
A) P-II, Q-IV, R-III, S-I
B) P-I, Q-II, R-III, S-IV
C) P-I, Q-IV, R-II, S-III
D) P-II, Q-I, R-IV, S-III
Explanation
[Solution from source] Microwaves heat food, UV rays kill germs and purify water, gamma rays are used in radiotherapy for cancer cells, and radio waves carry AM and FM broadcasts. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.