The correct answer is <span>d.directly to the deceased.
It is believed that at this period, just after passing away, the soul is open to new knowledge and understanding, and the soul can understand life and its purpose and things like that if the priest is talking to it because it teaches it how to do that.</span><span />
Light speed in water is 2.25 times 10^5 m/s so the index of refraction is higher than the index of refraction of light in a vacuum which is 1.0. (speed in vacuum for light is 300,000 km/s)
Index of refraction of light in water is 3.0 time 10^5 m/s divided by 2.25 times 10^5 m/s = 1.33.
