Answer to Question #100077 in Physics for Ramesh

Question

A botanist is measuring the height of a tree, using an instrument called a "clinoscope" This is just a small telescope with cross hairs, which can be measured the botanist find that the angle of elevation from the top of the tree 45 degrees, the instrument is mounted at a height of 175cm , and the distance to the base of the tree is 3m what is the height of the tree?

Answer 1

From the figure we can see that difference between height of the tree and a height of clinoscope is 3 m.

Thus,

$$H=3+1.75=4.75\ m$$