An observer looks at a distant tree of height 10 m with a telescope of magnifying power of 20 .
Question:

An observer looks at a distant tree of height $10 \mathrm{~m}$ with a telescope of magnifying power of 20 . To the observer the tree appears :

1. 20 times nearer

2. 10 times taller

3. 10 times nearer

4.  20 times taller

Correct Option: , 3

Solution:

Angular magnification is 20 .