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

1. $4.33\times {10}^7 \mathrm{m} {\mathrm{s}}^{-1}$
2. $2.33\times {10}^7 \mathrm{m} {\mathrm{s}}^{-1}$
3. $3.33\times {10}^7 \mathrm{m} {\mathrm{s}}^{-1}$
4. $5.33\times {10}^7 \mathrm{m} {\mathrm{s}}^{-1}$

Solution

Asked in: JEE Main 2021 (27 Jul Shift 1)

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