Answer :

1. Double convex lens: if both the refracting surface is convex, it is thicker at the middle and thinner at the edges.


2. Double concave lens: If both the refracting surface of the lens is concave, it is thinner at middle and thicker at the edges.


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Arithmetic Progression and 'nth' Term of APArithmetic Progression and 'nth' Term of APArithmetic Progression and 'nth' Term of AP55 mins
History - Concept and QuestionsHistory - Concept and QuestionsHistory - Concept and Questions57 mins
Revision on Substitution and  Elimination MethodRevision on Substitution and  Elimination MethodRevision on Substitution and Elimination Method44 mins
Trigo Marathon Part 2Trigo Marathon Part 2Trigo Marathon Part 245 mins
Application of Trigo Important QuestionsApplication of Trigo Important QuestionsApplication of Trigo Important Questions44 mins
Heights and Distances - IIHeights and Distances - IIHeights and Distances - II45 mins
Heights and Distances - IHeights and Distances - IHeights and Distances - I54 mins
Trigo Marathon Part 1Trigo Marathon Part 1Trigo Marathon Part 146 mins
Outcomes of DemocracyOutcomes of DemocracyOutcomes of Democracy43 mins
Refraction of Light-2Refraction of Light-2Refraction of Light-241 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :

For which positioXam idea - Science

Draw a ray diagraXam idea - Science

Redraw the ray diAll In One Science

An object of heigScience - Board Papers

Only one of the fLakhmir Singh & Manjit Kaur - Physics

State whether conLakhmir Singh & Manjit Kaur - Physics

When we focus sunAll In One Science

Copy and coLakhmir Singh & Manjit Kaur - Physics

Draw the ray diagXam idea - Science

<span lang="EN-USScience - Board Papers