128. The focal length of a convex lens is 12 cm. When the
object is at a point beyond 24 cm from the lens, the image
on the other side of the lens will be formed at
(a) 15 cm
(b) 24 cm
(c) 12 cm
(d) infinity
.
.
..
.
Answers
Answered by
1
Answer:
infinity is right answer follow me
Answered by
1
Answer:
The image on the other side of the lens will be formed at 24cm .
Explanation:
- Focal length of lens = +12cm
- Object distance = -24 cm
- Image distance = ?
We know the lens formula that is :
1/v-1/u =1/f
1/v-1/-24=1/12
1/v =1/12 + 1/-24
1/v =1/12-1/24
1/v=2-1/24
v=24cm
Similar questions
Hindi,
5 months ago
Science,
5 months ago
Social Sciences,
5 months ago
English,
10 months ago
English,
10 months ago