The half life period of a radioactive element X is same as the mean lifetime of another radioactive element Y. Initially they have the same number of atoms. Then,
X and Y have same decay rate initially
Y will decay faster than X
X and Y decay at same rate always
X will decay faster than Y
A
X will decay faster than Y
B
Y will decay faster than X
C
X and Y have same decay rate initially
D
X and Y decay at same rate always
Open in App
Solution
Verified by Toppr
Given: ln2λX=1λY Hence, λX=ln2×λY Higher the rate constant value, higher the activity. Hence, X decays faster than Y.
Was this answer helpful?
0
Similar Questions
Q1
The half life period of a radioactive element A is the same as the mean life of another radioactive element B. Initially both of them have the same number of atoms. The radioactive element B decays faster than A. Explain why.
View Solution
Q2
The half life period of a radioactive element X is same as the mean lifetime of another radioactive element Y. Initially they have the same number of atoms. Then,
View Solution
Q3
The half life period of a radioactive element X is same as the mean life time of another radioactive element Y. Initially they have the same number of atoms. Then
View Solution
Q4
Read the following : (i) The half-life period of a radioactive element X is same as the mean-life time of another radioactive element Y. Initially, both of them have the same number of atoms. Then Y will decay at a faster rate than X. (ii) The electron emitted in beta radiation originated from the decay of a neutron in a nucleus. (iii) The half-life of 215 A is 100 ms. The time taken for the radioactivity of a sample of 215 At to decay to 1/16th of its initial value is 400 ms. (iv) The volume (V) and mass (m) of a nucleus are related us V∝ m. (v) Given a sample of Radium - 226 has a half-life of 4 days. Then nucleus disintegrates 3/4 within 2 half-lives. Select the correct code for above:
View Solution
Q5
The half-life of a radioactive element A is the same as the mean-life of another radioactive element B. Initially both substances have the same number of atoms, then :