Question

Harsha tells Siddhu that the double convex lens always behaves like a convergent lens. But Siddhu knows that Harsha’s assertion is wrong and corrected Harsha by asking some questions. What are the questions asked by Siddhu?

Answer 1

The questions asked by Siddhu : 

1. Is the object placed beyond 2f point? 

2. Is the object located at 2f point? 

3. Is the object located in between the 2f and the focal point? 

4. Is the object located at the focal point?

5. Is the object located in front of the focal point? 

6. Is the lens kept in a medium with refractive index less than lens or more than lens?