1800-150-456-789
FlagBACK
Flag Modern Physics> rate of disintegration...
question mark

A disintegrates into C by emitting 2 alpha and 3 beta particles, B converts into C by emitting 1 alpha and 5 beta particles.At t=0, A has 4N nuclei and B has N nuclei and their half lives are 1 and 2 minutes respectively,the time at which the rate of disintegration is equal.(at t=0,no. of nuclei of C=0).The answer is 6,how.

Kopur Girish , 13 Years ago
Grade 12
anser 1 Answers
mounika gajawada

Last Activity: 13 Years ago

disintegration constants of

λA=ln2/1 and λB=ln2/2

as rates are equal; λANA=λBNB

4N(e-{ln2/1}*t)*(ln2/1)=N(e-{ln2/2}*t)*(ln2/2)

→ 8(2-t)=(2-t/2)

→t=6

Provide a better Answer & Earn Cool Goodies

Enter text here...
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Ask a Doubt

Get your questions answered by the expert for free

Enter text here...

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: 2 Year ago(s)

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
0 Answer Available

Last Activity: 2 Year ago(s)

question mark
Can the sum of two equal vectors be equal to either vector
Modern Physics
0 Answer Available

Last Activity: 2 Year ago(s)

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
0 Answer Available

Last Activity: 2 Year ago(s)

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
0 Answer Available

Last Activity: 2 Year ago(s)