The radioactivity of an element becomes 1/64
Webb23 mars 2024 · The half-lives of many radioactive isotopes have been determined and they have been found to range from extremely long half-lives of 10 billion years to extremely … WebbAnswer (1 of 6): The radioactive element reduces to 1/64 of its initial value = ( ½)^6, ie 6 half lives have passed in 60 seconds. 6 half- lives = 60 seconds 1 half-life = 60/6 = 10 …
The radioactivity of an element becomes 1/64
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WebbThe radioactivity of an element becomes 1/64thof its original value in 60 sec. The half value periods is A 5 sec B 10 sec C 20 sec D 30 sec Hard Answer Correct option is B 10 …
WebbDepleted uranium (DU; also referred to in the past as Q-metal, depletalloy or D-38) is uranium with a lower content of the fissile isotope 235 U than natural uranium. Natural uranium contains about 0.72% 235 U, while the DU used by the U.S. Department of Defense contains 0.3% 235 U or less. The less radioactive and non-fissile 238 U Webb8 aug. 2024 · Most of the radioactivity in the human body comes from potassium-40 and carbon-14. Potassium and carbon are two elements that we absolutely cannot live …
WebbRadioactivity is a feature of certain types of matter . All matter is made of chemical elements , and elements are made of atoms . Most atoms are stable. That is, they do not … WebbSOLVED:The radioactivity of an element becomes \frac{1}{64} th of its original value in 60 \mathrm{~s}. Then the half-life period of element is (A) 5 \mathrm{~s} (B) 10 …
Webb5 dec. 2024 · Answer:1.72 days Step-by-step explanation:In 8 days the radioactivity of 1 mg of a radioactive element decreases to 4%.Initial weight of radioactivity is 1 mgIt ... The equation becomes. A= 1(0.6687)^{t} To find half life of the element we replace A with 0.5. 0.5= 1(0.6687)^{t} take ln on both sides.
Webb22 jan. 2008 · The Nobel Prize in Physics 1903 was divided, one half awarded to Antoine Henri Becquerel "in recognition of the extraordinary services he has rendered by his discovery of spontaneous radioactivity", the other half jointly to Pierre Curie and Marie Curie, née Sklodowska "in recognition of the extraordinary services they have rendered … rick and morty breeding mountWebb12 sep. 2024 · First, the effects of the radiation do not vary with chemical state; that is, whether the emitting material is in the form of an element or compound. Second, the radiation does not vary with changes in temperature or pressure—both factors that in sufficient degree can affect electrons in an atom. rick and morty breaking morty wallpaperWebbAs 1 g of the radioactive element radium decays over 1 year, it produces 1.16 × 10^18 alpha particles (helium nuclei). Each alpha particle becomes an atom of helium gas. … rick and morty brett caanWebbThe radioactivity of an element becomes164thof its original value in 60 seconds. Then the half value period is 1. 5 sec 2. 10 sec 3. 20 sec 4. 30 sec Nuclei Physics Practice questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, NCERT Exemplar Questions and PDF Questions with answers, solutions, … rick and morty breaking bad referenceWebbLet’s calculate the half-life of an element by assuming a few things for the sake of calculations. Suppose the original amount of a radioactive element is: N (0) = 200 g. Now let’s assume the final quantity of that element is: N (t) = 50 g. If it took 120 seconds to decay from 3 kg to 1 kg, the time elapsed would be: t = 120 seconds red sea stone hershamWebbClick here👆to get an answer to your question ️ The radioactivity of an element becomes 1/64^th of its original value in 60 sec . The half value periods is. Join / Login >> Class 12 … red sea stoneWebbRadioisotopes are radioactive isotopes of an element. They can also be defined as atoms that contain an unstable combination of neutrons and protons, or excess energy in their nucleus. How do radioisotopes occur? reds east aurora