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Which among the following properties is not exhibited by double negative metamaterials?

Which among the following properties is not exhibited by double negative metamaterials? Correct Answer ENG media with positive μr

Double negative metamaterials are substances having negative refractive index arising due to simultaneous (-ve) permeability and permittivity. The double negative metamaterials features anomalous refraction, radiation pressure, reversal in the Doppler shift and Cherenkov radiation.

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