Focal length of a convex mirror is always positive.
Using our sign convention, in a convex mirror when we move from pole towards the center of the hemisphere, the distance is + ve. Hence, the focal length is positive.
Rate this question :
How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Light - 243 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
view all courses
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation