Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
0 votes

A swimmer is swimming at a depth of 12 m below the surface. A bird flying in the sky appears 36 m directly above his eyes. At what height is the bird is actually flying from the surface of water

$(a)\;24\; m \\ (b)\;12\;m \\ (c)\;18\;m \\ (d)\;9\;m $

Can you answer this question?

1 Answer

0 votes
We know that when we view from underwater.
$\mu =\large\frac{apparent \; height }{real \;height}$
Apparent height from surface $= 36-12=24 m$
$\mu =\large\frac{4}{3}$
Real height $= 18\;m$
Hence c is the correct answer.
answered Jan 17, 2014 by meena.p

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, AIPMT Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App