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Electromagnetic spectrum - applications
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The following table presents the part of the electromagnetic spectrum and their corresponding major applications. Choose the correct option.
Column I
- P. Microwave
- Q. UV rays
- R. Gamma rays
- S. Radio wave
Column II
- I. For purifying the water
- II. For warming the food
- III. For AM and FM communication systems
- IV. For treating the Cancer cells
Correct answer: P → II, Q → I, R → IV, S → III
Microwaves are used for warming food (P-II); UV rays for purifying water (Q-I); gamma rays for treating cancer cells (R-IV); radio waves for AM and FM communication systems (S-III).