# A concave mirror of focal length 10cm forms image of an object 4 times larger.Find the distance of object from the pole?

2
by pransh

2015-02-10T11:31:22+05:30

### This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
F = -10 cm
m = 4 = -v/u
v = -4u
u = ?
1/f = 1/v + 1/u
-1/10 = -1/4u + 1/u
on solviing this u can find the value of u, i.e object distance
the ans. is -7.5 c.m
in which standard you are?
im in 10th
and u
9th
okk
2015-02-10T13:01:47+05:30

### This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Please see the attachment
thank you
Welcome....:)