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A small object is embedded in a glass sphere \left ( \mu =1.5 \right ) of radius 5cm at a distance 1.5cm left of the center. The image of object as seen by an observer standing to the left of the sphere is at a distance: 

Option: 1

3cm from center


Option: 2

2cm from center


Option: 3

1.5cm from center


Option: 4

3.5cm from center


Answers (1)

best_answer

As we learn

Refraction through spherical surface -

\frac{\mu _{2}}{v}-\frac{\mu _{1}}{u}= \frac{\mu _{2}-\mu _{1}}{R}
 

- wherein

u= Object distance

v= image distance

R= Radius of curvature

 

 

Hence, the image is formed 3cm to the right of the A or 2cm to the left of C.

 

Posted by

rishi.raj

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