Answer:
The depth of stream to the student is 
Explanation:
From the question we are told that
The actual depth of the stream is
The refractive index of the water is 
Generally the apparent depth of the stream is mathematically represented as

substituting values


Answer:
256 ×a0
Explanation:
I have added an attachment because I am not sure the phrase that negates brainly word why I couldn't submit the answer directly.
View the explanation from attachment 3 followed by 2 and then 1
Answer:
your hypothesis is wrong.
Explanation:
Sorry I dont really know tell me if I'm correct