Match List-I with List-II.
List-I List-II A. Microwaves I. Physiotherapy B. UV rays II. Treatment of cancer C. Infra-red rays III. Lasik eye surgery D. X-rays IV. Aircraft navigation
Choose the correct answer from the option given below:
A-II, B-IV, C-III, D-I
A-IV, B-I, C-II, D-III
A-III, B-II, C-I, D-IV
A-IV, B-III, C-I, D-II
Correct answer:D
Standard Method
Given: A matching question on uses of different electromagnetic radiations.
Find: The correct matching between Microwaves, UV rays, Infra-red rays, X-rays and their applications.
From the solution:
Thus the complete matching is A-IV, B-III, C-I, D-II.
Therefore, the correct option is D.
Confusing UV rays with X-rays in medical applications is incorrect. UV rays are associated here with Lasik eye surgery, while X-rays are matched with treatment of cancer. Match each radiation with its standard use carefully.
Assuming microwaves are only used in cooking is incorrect. In this question, microwaves are matched with aircraft navigation. Recall their use in radar and navigation systems.
Mixing up infra-red rays with higher-energy radiations is incorrect. Infra-red rays are commonly used in physiotherapy because of their heating effect. Use the physical property of the radiation to identify its application.
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