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MDCAT Past Papers - UHS - Physics - Chap No 12 Quiz

Attempt 10 MCQs on MDCAT Past Papers - UHS - Physics - Chap No 12 | Quiz 1

1. Calculate the half-life of bismuth-214 which has a decay constant of 4.3 x 10^-1.



2. Calculate the activity decaying atom per unit time of radioactive strontium-90 having 6.7 x 10^21 atoms at t=0. Decay constant of strontium-90 is 8.3 x 10^-10 s^-1.



3. In relation λT1/2 = 0.693, which quantity is represented by λ?



4. The half-life of Strontium (Sr) is 8.7 hours. Its decay constant is:



5. The decay rate of radioactive substance is:



6. An artificial radioactive element can be made by bombarding:



7. If we have "No" number of any radioactive element then after a period of "n" half lives the number of atoms left behind is:



8. The unit of decay constant is;



9. Heavy nuclei of atoms go through fission so that they can:



10. A low energy neutron has RBE factor of 10. How much energy is absorbed by a man of mass 80kg if the value equivalent dose is 400 rem?



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