alpha decay beta decay

Which of the following models is an exponential decay model? => y = 8(0.67) t or y = 5 t 2 or y = 3(1.24) t or y = 2 + 5 t..

Emission of a and b -rays bring some changes in the nucleus of the atom and the new element formed as a result of these charges is called daughter elemen..

Which model best represents the decay curve shown in the graph? => y = 10(3.5) t or y = 5(50) t or y = 50(1.5) t or y = 50(0.5) t..

Which of the following models is an exponential decay model? => y = 10 + 3 t or y = 1 / 3 t 2 or y = 8( 3 / 7 ) t or y = 12( 4 / 3 ) t..

Which of the following models is not an exponential decay model? => y = 5( 2 / 3 ) t or y = 1 / 4 ( 1 / 7 ) t or y = 6( 3 / 5 ) t or y = 2( 8 / 3 ) t..

A radioactive substance decays at a rate proportional to the amount present. What is the half - life of the substance, if 20% of such a substance decays in 10 years. => 24 years or 37 years or 42 years or 41 years or 31 years..

The exponential decay graph in the value of a house is shown in the graph. Estimate the value of the house after 10 years . => $540000 or $420000 or $20922 or $6×10 - 6..

The exponential decay of the value of a house is shown in the graph. Estimate the value of the house after 12 years. => $648000 or $16944 or $6 × 10 - 8 or $540000..

A C - 14 isotope decays from 120 gms to 80 gms in 25 days. What is the half - life of the isotope? => 49 days or 47 days or 51 days or 45 days or 43 days..

Nathan purchased a refrigerator for $5000 in the year 2000. Its value depriciated by 3% each year. Write an exponential decay model to represent this situation. => y = 4800(0.98) t or y = 5000(0.97) t or y = 5000(0.87) t or y = 5000(1.07) t..