A sample contains 16, gm of a radioactive mat | vedclass

Name: PDF Generator App | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(a) Remaining amount $ = 16 	imes {\left( {\frac{1}{2}} ight)^{32/2}} $

$= 16 	imes {\left( {\frac{1}{2}} ight)^{16}} = {\left( {\frac{1}{2}}

Vedclass · Accepted Answer

Less than $1\, mg$

Vedclass · Answer

(a) Remaining amount $ = 16 	imes {\left( {\frac{1}{2}} ight)^{32/2}} $

$= 16 	imes {\left( {\frac{1}{2}} ight)^{16}} = {\left( {\frac{1}{2}} ight)^{12}} < 1\;mg$

A sample contains $16\, gm$ of a radioactive material, the half life of which is two days. After $32\, days,$ the amount of radioactive material left in the sample is

Similar Questions

Calculate the time (in $minutes$) interval between $33 \,\%$ decay and $67\, \%$ decay if half-life of a substance is $20\, minutes.$

Activity of a radioactive substance can be represented by various unit. Select correct option

A mixture consists of two radioactive material $A_1$ and $A_2$ with half lives of $20\,s$ and $10\,s$ respectively . Initially the mixture has $40\,g$ of $A_1$ and $160\,g$ of $A_2$ . The amount of the two in the mixture will become equal after..........$sec$

A sample originally contaived $10^{20}$ radioactive atoms, which emit $\alpha -$ particles. The ratio of $\alpha -$ particles emitted in the third year to that emitted during the second year is $0.3.$ How many $\alpha -$ particles were emitted in the first year?

$37$ Rutherford equals