JEE Main 2011 Physics question
A car is fitted with a convex side-view mirror of focal length 20 cm. A second car 2.8 m behind the first car is overtaking the first car at relative speed of 15 m/s. The speed of the image of the second car as seen in the mirror of the first one is :
Answer: (1)
Solution
For a mirror, . With u = −2.8 m, f = +0.2 m:
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