The relative permittivity of distilled water is 81. The velocity of light in it will be: (Given µ? = 1)
The relative permittivity of distilled water is 81. The velocity of light in it will be: (Given µ? = 1)
Option 1 -
4.33 * 10⁷ m/s
Option 2 -
2.33 * 10⁷ m/s
Option 3 -
5.33 * 10⁷ m/s
Option 4 -
3.33 * 10⁷ m/s
Asked by Shiksha User
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1 Answer
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Correct Option - 4
Detailed Solution:v = 1/√με = 1/√ (µ? µ? ε? ε? ) = c/√ (µ? ε? )
v = 3×10? / √ (1×81)
v = 3×10? / 9 m/s
= 0.33 × 10? m/s
= 3.33 × 10? m/s
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