As shown in the figure, after passing through the medium 1 . The speed of light $v_{2}$ in medium 2 will be :$\left(\right.$ Given $\mathrm{c}=3 \times 10^{8} \mathrm{~ms}^{-1}$ )

Question

As shown in the figure, after passing through the medium 1 . The speed of light $v_{2}$ in medium 2 will be :

$\left(\right.$ Given $\mathrm{c}=3 \times 10^{8} \mathrm{~ms}^{-1}$ )

$1.0 \times 10^{8} \mathrm{~ms}^{-1}$

$0.5 \times 10^{8} \mathrm{~ms}^{-1}$

$1.5 \times 10^{8} \mathrm{~ms}^{-1}$

$3.0 \times 10^{8} \mathrm{~ms}^{-1}$

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