Harsha tells Siddhu that the double convex lens

cbse
refractionoflight

#1

Harsha tells Siddhu that the double convex lens 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?


#2

Siddhu may asked the following questions.
i) What is the shape of the lens. If two convex lenses are attached ?
ii) What happens when a light ray passes through a convex lens ?
iii) What happen when a light ray passes through a double convex lens ?
iv) Is there any convergent point is available, if the light ray passes through a double convex lens ?