JEE Advanced 2010 Physics question
Image of an object approaching a convex mirror of radius of curvature 20 m along its optical axis is observed to move from m to m in 30 seconds. What is the speed of the object in km per hour ?
Answer: 3
Solution
For the convex mirror m, and the image is virtual (v positive, behind the mirror). Mirror formula . For m: m. For $v =
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account