At what distance from a concave mirror of focal length 25 cm should an object be placed so that the size of the image is equal to the size of the object.
A
25 cm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
50 cm
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
100 cm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
75 cm
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is B 50 cm Concave mirror forms real,inverted and same size image of an object placed at its centre of curvature. u=R=2f=−50cm