Modern Physics> The half life of radon is3.8 days .after ...

The half life of radon is3.8 days .after how many days will (1/10)th of radon sample remain behinde

varadha krishna , 7 Years ago

Grade 12th pass

1 Answers

Khimraj

Last Activity: 7 Years ago

ln2/ $\lambda$ = 3.8 days

N = N_o e^-t

N = 0.1N_o = N_oe^-t

1/10 = e^-t

e^t = 10

$\lambda$ t = ln10

t = ln10/ $\lambda$ = (ln10/ln2)*3.8 days.

LIVE ONLINE CLASSES

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

Full Live Access

Study Material

Live Doubts Solving

Daily Class Assignments

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

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: 3 Years ago

Can the sum of two equal vectors be equal to either vector

modern physics

1 Answer Available

Last Activity: 3 Years ago

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: 3 Years ago

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: 3 Years ago

View all Questions

Modern Physics> The half life of radon is3.8 days .after ...

The half life of radon is3.8 days .after how many days will (1/10)th of radon sample remain behinde

varadha krishna , 7 Years ago

Khimraj

LIVE ONLINE CLASSES

Other Related Questions on modern physics

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

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

Can the sum of two equal vectors be equal to either vector

modern physics

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

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

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

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.