An observer looks at a distant tree of height 10m with a telescope of magnifying power of 20 . To the observer, the tree appears as

Question

An observer looks at a distant tree of height 10m with a telescope of magnifying power of 20 . To the observer, the tree appears as (A) 20 times taller. (B) 20 times nearer. (C) 10 times taller. (D) 10 times nearer.

Tardigrade Admin · Accepted Answer

Angular magnification of the telescope is 20 so now the tree will subtend a larger angle at the observer's eye and hence appears 20 times nearer

Q. An observer looks at a distant tree of height 10m with a telescope of magnifying power of 20 . To the observer, the tree appears as

20 times taller.

20 times nearer.

10 times taller.

10 times nearer.

Angular magnification of the telescope is 20 so now the tree will subtend a larger angle at the observer's eye and hence appears 20 times nearer

Q. An observer looks at a distant tree of height $10 m$ with a telescope of magnifying power of $20$ . To the observer, the tree appears as