wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

An object is placed at a distance of 30 cm. from a concave mirror. The magnification produced is 1/2. where should the object be placed to get the magnification of 1/3.

Open in App
Solution

U=30
m=12
we know that
m=VU
so V = 15
f=10
for m=13


VU=13
V=V3

1f=1V+1U

110=3U+1U

U = -40
Therefore for magnification to be 13 the object must be placed 40cm upon in front of the mirror.


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Mirror Formula and Magnification
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon