RE-NEET 2026 Physics Applications of EM Spectrum Match the Following Question
The following table presents the parts of the electromagnetic spectrum and their corresponding major applications.
| 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 |
P-I, Q-IV, R-II, S-III
P-II, Q-I, R-IV, S-III
P-II, Q-IV, R-III, S-I
P-I, Q-II, R-III, S-IV
Correct Answer
Detailed Explanation
The correct answer is B) P-II, Q-I, R-IV, S-III.
Microwaves (P) are primarily used for warming food (II). UV rays (Q) are effective for purifying water (I) due to their ability to kill bacteria. Gamma rays (R) are utilized in cancer treatment (IV) because of their high energy, which can destroy cancer cells. Radio waves (S) are essential for AM and FM communication systems (III) as they can carry information over long distances.
The other options fail because they misassign applications to the parts of the spectrum, such as pairing gamma rays with communication systems or microwaves with water purification, which do not align with their actual uses.
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