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

The relation between the linear magnification m, the object distance u and the focal length f is

A
m=fuf
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
m=fuf
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
m=f+uf
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
m=ff+u
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A m=fuf

The linear magnification can be given as

m=vuv=mu

Now the mirror formula is given as

1f=1v+1u

Substituting v=mu in mirror formula

1f=1mu+1u1f=1+mmu

mufm=1m(uf1)=1

m(uff)=1

Therefore,

m=fuf


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Thin Lenses: Point Objects
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon