rayybekah rayybekah

31-01-2021
Physics

contestada

a submarine is observed to rise from a real depth of 80 cm to 60 cm in water calculate the change in apparent depth

please help!!!!!!!!!!

Respuesta :

ohiekulous ohiekulous

31-01-2021

Answer:

15m

Explanation:

change in real depth = 80 - 60 = 20m

Let us assume that the index is 4/3

Refractive index = change in real depth ÷ change in apparent depth

change in apparent depth = change in real depth÷ refractive index

= 20÷(4/3) = 20×(3/4) = 5×3 = 15m

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