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Problem
Problem
The refractive index of water is
4
/
3
4/3
4/3
. The speed of light in water is a.
1.50
×
10
8
1.50 \times 10^8
1.50
×
1
0
8
m/s b.
1.78
×
10
8
1.78 \times 10^8
1.78
×
1
0
8
m/s c.
2.25
×
10
8
2.25 \times 10^8
2.25
×
1
0
8
m/s d.
2.67
×
10
8
2.67 \times 10^8
2.67
×
1
0
8
m/s
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