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

The minimum distance between an object and its real image formed by a thin convex lens of focal length f is Kf. Find the value of K.


A

1

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

4

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C

3

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 B

4


Since object and image is real,

Object distance = x1
Image distance = x2

x0=x1+x2;1x21x1=1f

x1+x2=x1x2f

Solving above equations for real values of x1x2

We get

x0=4f, K=4


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