Question

a boy is trying to catch fish sitting at a height of 12 metre from surface of the water a big fish is at horizontal distance of 5 metre from him.what should be the length of his string to get the dish​

Answer 1

Answer:Refractive index is defined as n=  

apparentdepth

realdepth

​  

 

Real depth is d=30cm and b=  

3

4

​  

 

So  

3

4

​  

=  

y

30

​  

 

y=22.5cm

So image will appear at 22.5cm from top

Step-by-step explanation:

Answer 2

Answer:

13m is the answer

Step-by-step explanation:

please thank if it helps