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The relative permittivity of distilled water is 81 . The velocity of light in it will be: ( Given μ r = 1

Options

  1. A4 . 33 × 10 7   m   s - 1
  2. B2 . 33 × 10 7   m   s - 1
  3. C3 . 33 × 10 7   m   s - 1
  4. D5 . 33 × 10 7   m   s - 1

Correct answer

C. 3 . 33 × 10 7   m   s - 1

Step-by-step solution

V = c μ r ε r = 3 . 33 × 10 7   m   sec - 1

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