Question

14.
A normal human eye can see an object making
an angle of 1.8° at the eye. What is the
-
1.8°
approximate height of object which can be seen
by an eye placed at a distance of 1 m from the
object.​

Answer 1

Answer: pi cm

Explanation:In Fig, tan theta =h/1, so tan 1.8degree =h/1. 1.8*pi /180=h so, h=18pi/1800 h=pi/100 meter =pi/100 *100 cm h=pi cm

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