PADI Exercise 2-1

Question 1

Underwater objects appear

Answer 1

(a) larger and/or closer

Question 2

My buddy has a bright red shoulder patch on his wet suite. If we’re diving together in very clear water on a sunny day, at 12m/40ft I would expect the patch to appear ___

Answer 2

(b) less red than at the surface

Question 3

While my buddy and I are diving, a motorboat passes by about 300m/yards away. Which of the following statements is true?

Answer 3

(b) I may have difficulty determining where the boat is based on the sound.