Optics 7 Question 20

20. Choose the correct statement.

(a) The speed of light in the meta-material is v=c|n|

(b) The speed of light in the meta-material is v=c|n|

(c) The speed of light in the meta-material is v=c

(d) The wavelength of the light in the meta-material (λm) is given by λm=λair |n|, where λair  is the wavelength of the light in air.

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Solution:

  1. Since value of n in meta-material is negative.

v=c|n|



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