+91-87964 74404
FlagBACK
Question icon
Grade 12Modern Physics

A and B are two radioactive elements. The mixture of these elements show a total activity of 1200disintegrations per minute. The half life of A is 1 day and that of B is 2 days . What will be the total activity after 4 days? Given the initial number of atoms in A and B are equal.

Profile image of Ajay
7 Years agoGrade 12
Answers icon

1 Answer

Profile image of Arun
ApprovedApproved Tutor Answer7 Years ago
dear student
 
I am getting my answer as 150 disintegrations /min
 
Hope it helps
 
 
Regards
Arun (askIITiams forum expert)

Other Related Questions on modern physics

question mark
A particle is projected in vertical plane such that after 5 seconds its velocity becomes horizontal. The maximum height attained by the projectile from point of projection is n3 m. The value of n is _______. (g = 10 m/s2)
modern physics
1 Answer Available

Last Activity: 3 Years ago

question mark
Two particles approach each other from very large distance as shown, . if the least separation between the particles is b, what is the speed of M in center of mass frame when particles are closest? (gravity negligible)
modern physics
1 Answer Available

Last Activity: 4 Years ago

question mark
Can the sum of two equal vectors be equal to either vector
 
modern physics
1 Answer Available

Last Activity: 4 Years ago

question mark
A nucleus X184 at rest emitt alpha particle With kinetic energy 9.0MeV. The product Nucleus is Y. The values of Binding energy per nucleon of alpha particle & Y differ by 1.5MeV. The values of Binding energy per nucleon of X & Y differ by (n÷230) MeV, then n is
modern physics
1 Answer Available

Last Activity: 4 Years ago

question mark
SUBJECT: PROBLEM BASED ON LINE DETECTION.
Query: How to apply all the filters for line detection on the following piece of image (provided below)? Explain its Observations to comment on its results.
modern physics
1 Answer Available

Last Activity: 4 Years ago