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The microwave absorptions are used for ________

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The microwave absorptions are used for ________

(a) Military radars

(b) Satellites

(c) Radars

(d) Electric irons

The question was posed to me in an international level competition.

My question is from Properties and Uses of CNT topic in division Nano Materials of Applied Chemistry

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The correct choice is (a) Military radars

To explain I would say: The CNT posses micro wave absorption characteristics which are useful for the military radars and to better the slith characteristics of air crafts.

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