Find the right cosets of the following: ![H=[[1],[3]]](https://tex.z-dn.net/?f=H%3D%5B%5B1%5D%2C%5B3%5D%5D "H=[[1],[3]]")
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HEY MATE!
Refractive index= velocity in air/velocity in water
1.5 = 3 X 10^18/velocity in water
Velocity in water =3 X 10^18/1.5
Velocity in water =2 X 10^18 m/s
I HOPE IT HELPS YOU!
Refractive index= velocity in air/velocity in water
1.5 = 3 X 10^18/velocity in water
Velocity in water =3 X 10^18/1.5
Velocity in water =2 X 10^18 m/s
I HOPE IT HELPS YOU!
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