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Wave Optics — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsWave Optics1 Mark
MCQ
Electromagnetic waves travel in a medium which has relative permeability 1.3 and relative permittivity 2.14 . Then the speed of the electromagnetic wave in the medium will be
  • A
     $13.6 \times 10^6 m / s$
  • B
     $1.8 \times 10^2 m / s$
  • C
     $3.6 \times 10^8 m / s$
  • ✓
     $1.8 \times 10^8 m / s$
✓

Answer

Correct option: D.
 $1.8 \times 10^8 m / s$
 $1.8 \times 10^8 m / s$

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