UPSC Civil Services Model Paper 3
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Question : 63 of 100
Marks:
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“Metamaterials” has applications in which the following?
1. high-frequency battlefield communication
2. optical filters
3. medical devices
4. Superlens
5. Sound filtering
Select the correct answer using the code given below:
1. high-frequency battlefield communication
2. optical filters
3. medical devices
4. Superlens
5. Sound filtering
Select the correct answer using the code given below:
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