The image of an object placed on the principal axis of a concave mirror at a distance of 25cm from its pole, is formed on the object itself. Find out the linear magnification.
A
−1
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
1
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
−2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A−1 Distance of the object, u = −25cm; Distance of the image, v = −25cm (Same as object); We know that magnification, m = −vu ⇒−(−25−25)= -1