Chapter 13 – Nuclei
If 2 kg of deuterium is subjected to given reaction, the energy released is used to light a 100 W lamp, how long will the lamp glow ?
07
Jun
If 2 kg of deuterium is subjected to given reaction, the energy released is used to light a 100 W lamp, how long will the lamp glow ? how long will the lamp glow ? If 2 kg of deuterium is subjected to given reaction the energy released is used to light a 100 W [...]
Mass numbers of the elements A,B,C and D are 30,60,90 and 120 respectively. The specific binding energy of them are 5MeV, 8.5MeV, 8MeV and 7MeV respectively. Then, in which of the following reaction/s energy is released ?
07
Jun
Mass numbers of the elements A,B,C and D are 30,60,90 and 120 respectively. The specific binding energy of them are 5MeV, 8.5MeV, 8MeV and 7MeV respectively. Then, in which of the following reaction/s energy is released ? 60 8.5MeV 8MeV and 7MeV respectively. Then 90 and 120 respectively. The specific binding energy of them are [...]
Consider the following reaction The atomic masses are given as The Q- value of the given reaction will be
07
Jun
Consider the following reaction The atomic masses are given as The Q- value of the given reaction will be Consider the following reaction The atomic masses are given as The Q- value of the given reaction will be June 7, 2021 Category: Chapter 13 - Nuclei , MTG NEET Physics , Part 2 ,
At radioactive substance decay at the rate of 5000 disintegration per minute. After 5 minute the decay rate is 1250 disintegration per minute. The decay constant is
07
Jun
At radioactive substance decay at the rate of 5000 disintegration per minute. After 5 minute the decay rate is 1250 disintegration per minute. The decay constant is At radioactive substance decay at the rate of 5000 disintegration per minute. After 5 minute the decay rate is 1250 disintegration per minute. The decay constant is June [...]
A radioactive element has rate of disintegration 10,000 disintegrations per minute at a particular instant. After four minutes it becomes 2500 disintegrations per minute. The decay constant per minute is
07
Jun
A radioactive element has rate of disintegration 10,000 disintegrations per minute at a particular instant. After four minutes it becomes 2500 disintegrations per minute. The decay constant per minute is 000 disintegrations per minute at a particular instant. After four minutes it becomes 2500 disintegrations per minute. The decay constant per minute is A radioactive [...]
The half life of radioactive nucleus is 100 years. The time interval between 20% and 80% decay of the parent nucleus is
07
Jun
The half life of radioactive nucleus is 100 years. The time interval between 20% and 80% decay of the parent nucleus is The half life of radioactive nucleus is 100 years. The time interval between 20% and 80% decay of the parent nucleus is June 7, 2021 Category: Chapter 13 - Nuclei , MTG NEET [...]
A radio−active sample of half−life 10 days contains 1000 x nuclei. Number of original nuclei present after 5 days is
07
Jun
A radio−active sample of half−life 10 days contains 1000 x nuclei. Number of original nuclei present after 5 days is A radio−active sample of half−life 10 days contains 1000 x nuclei. Number of original nuclei present after 5 days is June 7, 2021 Category: Chapter 13 - Nuclei , MTG NEET Physics , Part 2 [...]
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 [...]