Saturday

April 19, 2014

April 19, 2014

Posted by **Sarah N H** on Saturday, January 16, 2010 at 9:49am.

b) Calculate the actual depth of the trout

I have calcualted the angle of incidence to be 32 degrees, but still have no idea how to figure out the depth. I have been trying for 2 hours since last night. I don't know what trig to use on this. Can you help please?

- physics -
**bobpursley**, Saturday, January 16, 2010 at 10:30amhttp://www.saburchill.com/physics/chapters3/0004.html

So Real depth= apparent depth/ tan i

check my thinking.

- physics -
**drwls**, Saturday, January 16, 2010 at 10:30amThe formula that you need is derived and presented here:

http://www.physicstutorials.org/index.php/home/optics/refraction-of-light/apparent-depth-real-depth

The object will appear at a shallower depth equal to the real depth divided by the refractive index of water.

- physics -
**Sarah N H**, Saturday, January 16, 2010 at 11:15amBob: your website, when I rearrange the formula, would be real depth = X/tani...What is the 'x" in my problem?

DRWLS: I am solving for the actual depth, the apparent depth is given...do I still use your same formula?

Thankyou both.

**Related Questions**

physics - PLEASE HELP! - Sam is sitting in her fishing boat watching a trout ...

physics - another question - Sam is sitting in her fishing boat watching a trout...

physics - last question - Sam is sitting in her fishing boat watching a trout ...

algebra - to determine the number of trout in a lake, a conservationist cathes ...

math - To determine the number of trout in a lake, conservationist catches 161 ...

Intermediate algebra - The number of trout in America, since 1970, is given by ...

math - If a conservationist catches 72 trout, tags them and throws them back in ...

Statistics - Assume there are two lakes containing trout and the weights of the ...

Stats - The wildlife department has been feeding a special food to rainbow trout...

Stat 1 - Seventy million pounds of trout are grown in the U.S. every year. Farm-...