Answer :

The principal focus of a concave lens is a point on its principal axis from which parallal light rays appear to diverge after passing through the lens.


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Refraction of Light-2Refraction of Light-2Refraction of Light-241 mins
Refraction of light-1Refraction of light-1Refraction of light-125 mins
Reflection of light-2Reflection of light-2Reflection of light-238 mins
Reflection of Light-1Reflection of Light-1Reflection of Light-144 mins
Light - 2Light - 2Light - 243 mins
Outcomes of DemocracyOutcomes of DemocracyOutcomes of Democracy43 mins
Application of Trigo Important QuestionsApplication of Trigo Important QuestionsApplication of Trigo Important Questions44 mins
Magnetic Effects of Electric CurrentMagnetic Effects of Electric CurrentMagnetic Effects of Electric Current44 mins
Sum of n Terms of APSum of n Terms of APSum of n Terms of AP56 mins
Introduction of Geometric ProgressionIntroduction of Geometric ProgressionIntroduction of Geometric Progression60 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 :

List the new CartAll In One Science

List the sign conAll In One Science

Draw a diagram toLakhmir Singh & Manjit Kaur - Physics

State and explainLakhmir Singh & Manjit Kaur - Physics

What type of lensLakhmir Singh & Manjit Kaur - Physics

Your eye containsLakhmir Singh & Manjit Kaur - Physics

A dentist uses a All In One Science

What type of mirrLakhmir Singh & Manjit Kaur - Physics

Give two uses of Lakhmir Singh & Manjit Kaur - Physics