1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Physics
Finding Average Velocity
The ratio of ...
Question
The ratio of radii of first orbits of H,
H
e
+
and
L
i
2
+
is
A
1 : 2 : 3
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
6 : 3 : 2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
1 : 4 : 9
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
9 : 4 : 1
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is
B
6 : 3 : 2
r
=
n
2
2
×
0.529
˚
A
r
H
:
r
H
e
+
:
r
L
i
2
+
=
1
:
1
2
:
1
3
=
6
:
3
:
2
Suggest Corrections
0
Similar questions
Q.
The ratio of radii orbitals of
H
,
H
e
+
and
L
i
2
+
is:
Q.
The ratio of radii of first orbits of
H
,
H
e
+
and
L
i
2
+
is:
Q.
The ratio of the wavelengths for
2
→
1
transition in
L
i
+
+
,
H
e
+
and H is
Q.
The ratio of radii of first Bohr orbits of
H
,
H
e
+
and
L
i
2
+
is:
Q.
The areas of two circles are in the ratio 4 : 9. The ratio of their circumferences is
(a) 2 : 3
(b) 3 : 2
(c) 4 : 9
(d) 9 : 4
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
Speed and Velocity
PHYSICS
Watch in App
Explore more
Finding Average Velocity
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
AI Tutor
Textbooks
Question Papers
Install app