1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Chemistry
Close Packing
which of thes...
Question
which of these represent the centre of mass for a semicircular ring ?
A
0
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
4
R
3
π
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
R
2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
2
R
π
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is
D
2
R
π
Suggest Corrections
0
Similar questions
Q.
Consider the following statements
[1] CM of a uniform semicircular disc of radius
R
=
2
R
/
π
from the centre
[2] CM of a uniform semicircular ring of radius
R
=
4
R
/
3
π
from the centre
[3] CM of a solid hemisphere of radius
R
=
4
R
/
3
π
from the centre
[4] CM of a hemisphere shell of radius
R
=
R
/
2
from the centre
Which statement are correct :
Q.
A wireframe is made of a wire of uniform cross-section, which is shown in figure. ABC, HGF and DIE are semicircular arcs of radius r. CD=DO=OE=EF=r and 'O' is the centre of circle. Then centre of mass of frame is (mass per unit length is
λ
) :
Q.
Select the right expression for determining the Packing fraction (PF) of NaCl unit cell (assume an ideal crystal), if the ions along an edge diagonal are absent: (Where
r
+
represents the radius of the cation and
r
−
represents the radius of the anion)
Q.
A semicircular ring of mass
m
and a semicircular disc of mass
2
m
of same radius are joined together as shown. Find the distance of COM from their geometric centre.
Q.
If each point mass of a rigid ring covers a distance of
π
2
m
,
by how much angle (in radians) the ring has been rotated? (R = 2m)
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
Close Packing
CHEMISTRY
Watch in App
Explore more
Close Packing
Standard XII Chemistry
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
AI Tutor
Textbooks
Question Papers
Install app