1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XI
Chemistry
Half and Average Life
Disintegratio...
Question
Disintegration constant for a radioactive substance is
0.58
h
r
ā
1
. Its half-life period
A
8.2 hr
No worries! Weāve got your back. Try BYJUāS free classes today!
B
5.2 hr
No worries! Weāve got your back. Try BYJUāS free classes today!
C
1.2 hr
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
2.4 hr
No worries! Weāve got your back. Try BYJUāS free classes today!
Open in App
Solution
The correct option is
C
1.2 hr
K
=
0.693
t
1
2
t
1
2
−
0.693
K
−
0.693
0.58
⇒
1.2
h
r
s
Suggest Corrections
0
Similar questions
Q.
A certain radioactive substance has a half life of
30
days. Find its disintegration constant.
Q.
Define half-life of a radioactive substance and write the relation of half-life with the following:
(a) Radioactive decay constant (disintegration constant)
(b) Mean life of a radioactive substance.
Q.
Half life of a certain radioactive element is 3.465 days. Find its disintegration constant.
Q.
Half life of a radioactive substance is
1
hour. The time taken for disintegration of
87.5
% substance is
Q.
If
3
/
4
quantity of radioactive substance disintegrates in
2
hours, its half life period will be:
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
CHEMISTRY
Watch in App
Explore more
Half and Average Life
Standard XI 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