1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Physics
Surface Energy
The surface e...
Question
The surface energy of a drop of water of radius
r
is proportional to:
A
r
3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
r
2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
r
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
1
r
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is
B
r
2
We know,
Surface tension
=
Surface energy
Unit Area
∴
Surface energy
∝
Area
∝
r
2
Option (b) is correct.
Suggest Corrections
7
Similar questions
Q.
The surface energy of a drop of water of radius
r
is proportional to:
Q.
A point mass
(
m
o
)
is at the surface of a planet of density
ρ
and radius
r
. Gravitational force experienced by
m
o
is proportional to
Q.
The surface energy of a liquid drop of radius r is proportional to:
Q.
A uniform magnetic field of induction B is confined in a cylindrical region of radius R. If the field is increasing at a constant rate of
d
B
d
t
=
α
T
T
s
, then the
intensity of the electric field induced at point P, distant r from the axis as shown in
the figure is proportional to :
Q.
A certain number of spherical drops of a liquid of radius
r
each, coalesce to form a single drop of radius
R
and volume
V
. If
T
is the surface tension of the liquid, then
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
Explore more
Surface Energy
Standard XII 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