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Which of the following statement/statements is/are true for the Visual Angle?

Option: 1

The visual angle depends on the distance between the object and the observer.


Option: 2

Larger distances lead to smaller visual angles.


Option: 3

The visual angle of an object is a measure of the size of the object's image on the retina.


Option: 4

All of the above


Answers (1)

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Visual Angle: The visual angle of an object is a measure of the size of the object's image on the retina. The visual angle depends on the distance between the object and the observer. Larger distances lead to smaller visual angles. The visual angle also depends on the object's size. Larger objects lead to larger visual angles. 

Visual angle (\phi ) =  \frac{h}{d}   where 'h' is the height of the object and' is the distance from the lens.

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Rishabh

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