1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard IX
Physics
Lens Formula
The focal len...
Question
The focal length of a convex lens is
25
c
m
. What is its power ?
Open in App
Solution
f
=
25
c
m
=
0.25
c
m
.
P
=
1
/
f
=
1
/
0.25
=
+
4
D
.
Suggest Corrections
0
Similar questions
Q.
The focal length of a convex lens is 25 cm. What is its power ?
Q.
A convex lens of focal length 25 cm and a concave lens of focal length 10 cm are placed in close contact with one another.
(a) What is the power of this combination?
(b) What is the focal length of this combination?
(c) Is this combination converging or diverging?
Q.
The focal length of a convex lens is
25
c
m
. Find its power with sign.
Q.
A convex lens is of focal length
25
c
m
. Calculate the power of the lens.
Q.
A convex lens of focal length 40cm is in contact with a concave lens of focal length 25cm. The power of the combination is
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Lens Formula_tackle
PHYSICS
Watch in App
Explore more
Lens Formula
Standard IX Physics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Solve
Textbooks
Question Papers
Install app