MTG NEET Physics
An element X decays into element Z by two – step process. X ⟶ Y + ^42He Y⟶ Z + 2e̅ then.
07
Jun
An element X decays into element Z by two – step process. X ⟶ Y + ^42He Y⟶ Z + 2e̅ then. An element X decays into element Z by two - step process. X ⟶ Y + ^42He Y⟶ Z + 2e̅ then. June 7, 2021 Category: Chapter 13 - Nuclei , MTG NEET [...]
A nucleus of mass 20 u emits a γ photon of energy 6 MeV. If the emission assume to occur when nucleus is free and at rest, then the nucleus will have kinetic energy nearest to (take 1u=1.6×10^−27kg)
07
Jun
A nucleus of mass 20 u emits a γ photon of energy 6 MeV. If the emission assume to occur when nucleus is free and at rest, then the nucleus will have kinetic energy nearest to (take 1u=1.6×10^−27kg) A nucleus of mass 20 u emits a γ photon of energy 6 MeV. If the emission [...]
A sample of a radioactive element whose half life in 30 seconds contains a million nuclei at a certain instant of time. How many nuclei will be left after 10 s ?
07
Jun
A sample of a radioactive element whose half life in 30 seconds contains a million nuclei at a certain instant of time. How many nuclei will be left after 10 s ? A sample of a radioactive element whose half life in 30 seconds contains a million nuclei at a certain instant of time. How [...]
A radioactive substance decays at 1/32 of its initial activity in 25 days. Its half life is
07
Jun
A radioactive substance decays at 1/32 of its initial activity in 25 days. Its half life is A radioactive substance decays at 1/32 of its initial activity in 25 days. Its half life is June 7, 2021 Category: Chapter 13 - Nuclei , MTG NEET Physics , Part 2 ,
What is the amount of original radioactive material is left after 3 half-lives ?
07
Jun
What is the amount of original radioactive material is left after 3 half-lives ? What is the amount of original radioactive material is left after 3 half-lives ? June 7, 2021 Category: Chapter 13 - Nuclei , MTG NEET Physics , Part 2 ,
A radioactive source of half-life 2h emits radiation of intensity which is 64 times the permissible safe level. The minimum time after which it would be possible to work safely with this source is
07
Jun
A radioactive source of half-life 2h emits radiation of intensity which is 64 times the permissible safe level. The minimum time after which it would be possible to work safely with this source is A radioactive source of half-life 2h emits radiation of intensity which is 64 times the permissible safe level. The minimum time [...]
The half life of a radioactive substance is 20 minutes. The time taken between 50% decay and 87.5% decay of the substance will be
07
Jun
The half life of a radioactive substance is 20 minutes. The time taken between 50% decay and 87.5% decay of the substance will be The half life of a radioactive substance is 20 minutes. The time taken between 50% decay and 87.5% decay of the substance will be June 7, 2021 Category: Chapter 13 - [...]
The graph shows some measurements of the decay rate of a sample of radioactive nucleus 128I. Find the half-life for this radioactive nucleus.
07
Jun
The graph shows some measurements of the decay rate of a sample of radioactive nucleus 128I. Find the half-life for this radioactive nucleus. The graph shows some measurements of the decay rate of a sample of radioactive nucleus 128I. Find the half-life for this radioactive nucleus. June 7, 2021 Category: Chapter 13 - Nuclei , [...]
The half life of an old rock element is 5800 years. In how many years its sample of 25 gm is reduced to 6.25 gm .
07
Jun
The half life of an old rock element is 5800 years. In how many years its sample of 25 gm is reduced to 6.25 gm . The half life of an old rock element is 5800 years. In how many years its sample of 25 gm is reduced to 6.25 gm . June 7, 2021 [...]
A radioactive element X with a half life period of 2 hours decays giving a stable element Y. After a time t the ratio of X to Y atoms is 1 : 7. Then t is
07
Jun
A radioactive element X with a half life period of 2 hours decays giving a stable element Y. After a time t the ratio of X to Y atoms is 1 : 7. Then t is A radioactive element X with a half life period of 2 hours decays giving a stable element Y. After [...]