1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Chemistry
Periods
2. One gram o...
Question
2. One gram of (94)Pu(239) is a alpha emmiter with a half life of 24400 years.given 1g sample of this plutonium how many alpha particles will emit per second
Open in App
Solution
Suggest Corrections
2
Similar questions
Q.
An 'n' number of
α
−
p
a
r
t
i
c
l
e
s
per second are being emitted by B atoms of a radioactive element. The half-life of element will be
Q.
The luminous dials of watches are usually made by mixing a zinc sulphide phosphor with an
α
−
p
a
r
t
i
c
l
e
emitter. The mass of radium (mass number
226
, half-life
1620
years) that is needed to produce an average of
10
α
−
p
a
r
t
i
c
l
e
s
per second for this purpose is
Q.
A sample originally contained
10
20
radioactive atoms, which emit
α
-particles emitted inthe thirdyear to that emitted during the second year is
0.3
.
How many
α
particles were emitted in the first year?
Q.
A sample
Q
has half life
20
min
. It decays by emitting alpha particle and beta particle with probability of
60
%
and
40
%
respectively.
Initial sample of
Q
contains
1000
nuclei, then number of
α
−
particle decay after one hour will be
Q.
A
β
-particle emitter has a half life of
60.6
m
i
n
. At any instant of time, a sample of this element registers
2408
counts per second. Calculate the counting rate after
1.5
hours.
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
Periods
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