Optics 5 Question 2

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

(2016 Main)

(a) 10 times taller

(b) 10 times nearer

(c) 20 times taller

(d) 20 times nearer

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Answer:

Correct Answer: 4. (d)

Solution:

  1. Telescope resolves and brings objects closer. Hence, telescope with magnifying power of 20 , the tree appears 20 times nearer.


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