Ocean Physics

Question 1

Definition of light refraction

Answer 1

The bending of light as it passes through a different media

Question 2

Why is it blurry when we open our eyes underwater?

Answer 2

The human eye is designed to operate with light passing from the air onto it, so when it is underwater it can not focus properly.

Question 3

Why does light appear to bend as it passes from air into water?

Answer 3

Water is more dense than air.

Question 4

Refraction causes the size of an object to appear larger….

Answer 4

Objects appear ONE THIRD larger and ONE THRID closer

Question 5

At what depth does the colour red disappear from out visiablitly spectrum?

Answer 5

Starts to go at 1m and is fully gone by 5m

Question 6

how much faster does sound travel in water ?

Answer 6

4 times faster, resulting in greater difficulty locating where the sound is coming from

Question 7

Do gases in out body expand or or shrink when ascending?

Answer 7

When ascending the gasses will expand

Question 8

What % of sunlight reaches 10m in clear water

Answer 8

only 20%