MTG NEET Physics
At time t=0, activity of a radioactive substance is 1600 Bq, at t=8 s activity remains 100 Bq. Find the activity at t=2 s.
07
Jun
At time t=0, activity of a radioactive substance is 1600 Bq, at t=8 s activity remains 100 Bq. Find the activity at t=2 s. activity of a radioactive substance is 1600 Bq at t=8 s activity remains 100 Bq. Find the activity at t=2 s. At time t=0 June 7, 2021 Category: Chapter 13 - [...]
After 300 days, the activity of a radioactive sample is 5000 dps (disintegrations per sec). The activity becomes 2500 dps after another 150 days. The initial activity of the sample in dps is
07
Jun
After 300 days, the activity of a radioactive sample is 5000 dps (disintegrations per sec). The activity becomes 2500 dps after another 150 days. The initial activity of the sample in dps is After 300 days the activity of a radioactive sample is 5000 dps (disintegrations per sec). The activity becomes 2500 dps after another [...]
Polonium has a half-life of 140 days. If we take 20 g of polonium initially then the amount of it that remains after 280 days is
07
Jun
Polonium has a half-life of 140 days. If we take 20 g of polonium initially then the amount of it that remains after 280 days is Polonium has a half-life of 140 days. If we take 20 g of polonium initially then the amount of it that remains after 280 days is June 7, 2021 [...]
The activity of a radioactive sample is 1.6 curie, and its half-life is 2.5 days. Its activity after 10days will be
07
Jun
The activity of a radioactive sample is 1.6 curie, and its half-life is 2.5 days. Its activity after 10days will be and its half-life is 2.5 days. Its activity after 10days will be The activity of a radioactive sample is 1.6 curie June 7, 2021 Category: Chapter 13 - Nuclei , MTG NEET Physics , [...]
A radioactive substance emits 100 beta particles in the first 2 seconds and 50 beta particles in the next 2 seconds. The mean life of the sample is
07
Jun
A radioactive substance emits 100 beta particles in the first 2 seconds and 50 beta particles in the next 2 seconds. The mean life of the sample is A radioactive substance emits 100 beta particles in the first 2 seconds and 50 beta particles in the next 2 seconds. The mean life of the sample [...]
The number of atoms of a radioactive substance of half-life T is N0 at t=0. The time necessary to decay from N0/2 atoms to N0/10 atoms will be
07
Jun
The number of atoms of a radioactive substance of half-life T is N0 at t=0. The time necessary to decay from N0/2 atoms to N0/10 atoms will be The number of atoms of a radioactive substance of half-life T is N0 at t=0. The time necessary to decay from N0/2 atoms to N0/10 atoms will [...]
A nucleus with mass number 220 initially at rest emits an α-particle. If the Q-value of the reaction is 5.5MeV, calculate the kinetic energy of the α-particle
07
Jun
A nucleus with mass number 220 initially at rest emits an α-particle. If the Q-value of the reaction is 5.5MeV, calculate the kinetic energy of the α-particle A nucleus with mass number 220 initially at rest emits an α-particle. If the Q-value of the reaction is 5.5MeV calculate the kinetic energy of the α-particle June [...]
A radioactive substance emits n beta particles in the first 2 seconds and 0.5n beta particles in the next 2 seconds. The mean life of the sample is
07
Jun
A radioactive substance emits n beta particles in the first 2 seconds and 0.5n beta particles in the next 2 seconds. The mean life of the sample is A radioactive substance emits n beta particles in the first 2 seconds and 0.5n beta particles in the next 2 seconds. The mean life of the sample [...]
The half-life of 60Co is approximately 5.25 years. In a sample containing 1 g of freshly prepared 60Co, how much of the isotope will be left after 21 years?
07
Jun
The half-life of 60Co is approximately 5.25 years. In a sample containing 1 g of freshly prepared 60Co, how much of the isotope will be left after 21 years? how much of the isotope will be left after 21 years? The half-life of 60Co is approximately 5.25 years. In a sample containing 1 g of [...]
In a radioactive decay, an element ZXA emits four α-particles, three β-particles and eight gamma photons. The atomic number and mass number of the resulting final nucleus are
07
Jun
In a radioactive decay, an element ZXA emits four α-particles, three β-particles and eight gamma photons. The atomic number and mass number of the resulting final nucleus are an element ZXA emits four α-particles In a radioactive decay three β-particles and eight gamma photons. The atomic number and mass number of the resulting final nucleus [...]