Chapter 31 – Nuclei
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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.
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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?
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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 [...]
S^32 absorbs energy and decays into which element after two α-emissions?
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Nov
S^32 absorbs energy and decays into which element after two α-emissions? S^32 absorbs energy and decays into which element after two α-emissions? November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 31 - Nuclei , Physics ,
Half life of a radioactive material is 5 years, then the percentage of it remained after 25 years will be
28
Nov
Half life of a radioactive material is 5 years, then the percentage of it remained after 25 years will be Half life of a radioactive material is 5 years then the percentage of it remained after 25 years will be November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry [...]
The ratio of the masses of the elements having their nuclear radii 2 fermi and 1 fermi is:
28
Nov
The ratio of the masses of the elements having their nuclear radii 2 fermi and 1 fermi is: The ratio of the masses of the elements having their nuclear radii 2 fermi and 1 fermi is: November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter [...]
The intensity of gamma radiation from a given source is I. On passing through 36 mm of lead, it is reduced to I/8. The thickness of lead which will reduce the intensity to I/2 will be
28
Nov
The intensity of gamma radiation from a given source is I. On passing through 36 mm of lead, it is reduced to I/8. The thickness of lead which will reduce the intensity to I/2 will be it is reduced to I/8. The thickness of lead which will reduce the intensity to I/2 will be The [...]
Two radioactive substances A and B have decay constants 5λ and λ respectively. At t=0, they have the same number of nuclei. The ratio of number of nuclei of A to those of B will be (1/e)2 after a time
28
Nov
Two radioactive substances A and B have decay constants 5λ and λ respectively. At t=0, they have the same number of nuclei. The ratio of number of nuclei of A to those of B will be (1/e)2 after a time they have the same number of nuclei. The ratio of number of nuclei of A [...]
A radioactive nucleus is being produced at a constant rate α per second. Its decay constant is λ. If N0 are the number of nuclei at time t = 0, then the maximum number of nuclei possible are
28
Nov
A radioactive nucleus is being produced at a constant rate α per second. Its decay constant is λ. If N0 are the number of nuclei at time t = 0, then the maximum number of nuclei possible are A radioactive nucleus is being produced at a constant rate α per second. Its decay constant is [...]
If the half lives of a radioactive element for α and β decay are 4 years and 12 years respectively, the ratio of its initial activity that after 12 years will be
28
Nov
If the half lives of a radioactive element for α and β decay are 4 years and 12 years respectively, the ratio of its initial activity that after 12 years will be If the half lives of a radioactive element for α and β decay are 4 years and 12 years respectively the ratio of [...]