NEET Last 32 Years Solved 1988 – 2019 Physics and Chemistry Video Solutions
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A sample of a radioactive element has a mass of 10g at an instant t=0. The approximate mass of this element in the sample after two mean lives is .
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Aug
A sample of a radioactive element has a mass of 10g at an instant t=0. The approximate mass of this element in the sample after two mean lives is . A sample of a radioactive element has a mass of 10g at an instant t=0. The approximate mass of this element in the sample after [...]
The half-life of radium is about 1600yr. Of 100 g of radium existing now, 25 g will remain unchanged after
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Aug
The half-life of radium is about 1600yr. Of 100 g of radium existing now, 25 g will remain unchanged after 25 g will remain unchanged after The half-life of radium is about 1600yr. Of 100 g of radium existing now August 16, 2020 Category: Chapter 31 - Nuclei , NEET Last 32 Years Solved 1988 [...]
A radioactive sample with a half-life of 1 month has the label : ‘Activity= 2 micro curie on 1-8-1991’. What would be its activity two months earlier?
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Aug
A radioactive sample with a half-life of 1 month has the label : ‘Activity= 2 micro curie on 1-8-1991’. What would be its activity two months earlier? A radioactive sample with a half-life of 1 month has the label : 'Activity= 2 micro curie on 1-8-1991'. What would be its activity two months earlier? August [...]
The nucleus .11548Cd after two successive β−decays will give.
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Aug
The nucleus .11548Cd after two successive β−decays will give. The nucleus .11548Cd after two successive β−decays will give. August 16, 2020 Category: Chapter 31 - Nuclei , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
An element A decays into element C by a two-step process : A→B+.2He4 B→C+2e⎯ Then.
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Aug
An element A decays into element C by a two-step process : A→B+.2He4 B→C+2e⎯ Then. An element A decays into element C by a two-step process : A→B+.2He4 B→C+2e⎯ Then. August 16, 2020 Category: Chapter 31 - Nuclei , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
The nuclei .6C13&.7N14 can be described as
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Aug
The nuclei .6C13&.7N14 can be described as The nuclei .6C13&.7N14 can be described as August 16, 2020 Category: Chapter 31 - Nuclei , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
The nucleus 6C12 absorbs an energetic neutron and emits a beta particle β. The resulting nucleus is
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Aug
The nucleus 6C12 absorbs an energetic neutron and emits a beta particle β. The resulting nucleus is The nucleus 6C12 absorbs an energetic neutron and emits a beta particle β. The resulting nucleus is August 16, 2020 Category: Chapter 31 - Nuclei , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video [...]
The constituents of atomic nuclei are believed to be
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Aug
The constituents of atomic nuclei are believed to be The constituents of atomic nuclei are believed to be August 16, 2020 Category: Chapter 31 - Nuclei , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
In the nucleus of .11Na23, the number of protons, neutrons and electrons are
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Aug
In the nucleus of .11Na23, the number of protons, neutrons and electrons are In the nucleus of .11Na23 neutrons and electrons are the number of protons August 16, 2020 Category: Chapter 31 - Nuclei , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
In the given reaction .zXA→.z+1YA→.z−1KA−4→.z−1KA−4 Radioactive radiations are emitted in the sequence.
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Aug
In the given reaction .zXA→.z+1YA→.z−1KA−4→.z−1KA−4 Radioactive radiations are emitted in the sequence. In the given reaction .zXA→.z+1YA→.z−1KA−4→.z−1KA−4 Radioactive radiations are emitted in the sequence. August 16, 2020 Category: Chapter 31 - Nuclei , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,