Physics
A neutron in a nuclear reactor collides head on elastically with the nucleus of a carbon atom initially at rest. The fraction of kinetic energy transferred from the neutron to the carbon atom is
28
Nov
A neutron in a nuclear reactor collides head on elastically with the nucleus of a carbon atom initially at rest. The fraction of kinetic energy transferred from the neutron to the carbon atom is A neutron in a nuclear reactor collides head on elastically with the nucleus of a carbon atom initially at rest. The [...]
Two radioactive materials X1 and X2 have decay constants 10λ and λ respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei of X1 to that of X2 will be 1/e after a time
28
Nov
Two radioactive materials X1 and X2 have decay constants 10λ and λ respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei of X1 to that of X2 will be 1/e after a time then the ratio of the number of nuclei of X1 to that of [...]
An atom of mass number 15 and atomic number 7 captures an α-particle and then emits a proton. The mass number and atomic number of the resulting atom will be respectively
28
Nov
An atom of mass number 15 and atomic number 7 captures an α-particle and then emits a proton. The mass number and atomic number of the resulting atom will be respectively An atom of mass number 15 and atomic number 7 captures an α-particle and then emits a proton. The mass number and atomic number [...]
The half-life of radium is 1600 years. What is the fraction of sample undecayed after 6400 years?
28
Nov
The half-life of radium is 1600 years. What is the fraction of sample undecayed after 6400 years? The half-life of radium is 1600 years. What is the fraction of sample undecayed after 6400 years? November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 31 - [...]
n-alpha particles per second are emitted from N atoms of a radioactive element. The half-life of the radioactive element is
28
Nov
n-alpha particles per second are emitted from N atoms of a radioactive element. The half-life of the radioactive element is n-alpha particles per second are emitted from N atoms of a radioactive element. The half-life of the radioactive element is November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry [...]
In beta plus decay a. antineutrino is produced with electron b. neutrino is produced with positron c. neutron is produced with electron d. none of these
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Nov
In beta plus decay a. antineutrino is produced with electron b. neutrino is produced with positron c. neutron is produced with electron d. none of these In beta plus decay a. antineutrino is produced with electron b. neutrino is produced with positron c. neutron is produced with electron d. none of these November 28, 2020 [...]
When a slow neutron is captured by a U92235 nucleus, a fission energy releasing 200 MeV. If power of nuclear reactor is 100 W then rate of nuclear fission is
28
Nov
When a slow neutron is captured by a U92235 nucleus, a fission energy releasing 200 MeV. If power of nuclear reactor is 100 W then rate of nuclear fission is a fission energy releasing 200 MeV. If power of nuclear reactor is 100 W then rate of nuclear fission is When a slow neutron is [...]
Which of the following statement is incorrect? a. Neutron is less stable than proton b. Neutron can cause fission in nuclear reactors but proton can not. c. A free proton can emit beta particle. d. A bound proton can emit beta particle.
28
Nov
Which of the following statement is incorrect? a. Neutron is less stable than proton b. Neutron can cause fission in nuclear reactors but proton can not. c. A free proton can emit beta particle. d. A bound proton can emit beta particle. What is the amount of energy released by deuterium and tritium fusion? November [...]
The nucleus mn X emits one α particle and 2β-particles. The resulting nucleus is
28
Nov
The nucleus mn X emits one α particle and 2β-particles. The resulting nucleus is The nucleus mn X emits one α particle and 2β-particles. The resulting nucleus is November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 31 - Nuclei , Physics ,
Half life of a radio active element is 8 years how much amount will be present after 32 years?
28
Nov
Half life of a radio active element is 8 years how much amount will be present after 32 years? Half life of a radio active element is 8 years how much amount will be present after 32 years? November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions [...]