NEET Last 32 Years Solved 1988 – 2019 Physics and Chemistry Video Solutions
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Mp denotes the mass of a proton and Mn that of a neutron. A given nucleus, of binding energy B, contains Z protons and N neutrons. The mass M(N,Z) of the nucleus is given by.
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Aug
Mp denotes the mass of a proton and Mn that of a neutron. A given nucleus, of binding energy B, contains Z protons and N neutrons. The mass M(N,Z) of the nucleus is given by. contains Z protons and N neutrons. The mass M(N Mp denotes the mass of a proton and Mn that of [...]
A radioactive element has half-life period 800 yr. After 6400 yr, what amount will remain ?
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Aug
A radioactive element has half-life period 800 yr. After 6400 yr, what amount will remain ? A radioactive element has half-life period 800 yr. After 6400 yr what amount will remain ? August 16, 2020 Category: Chapter 31 - Nuclei , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , [...]
The half-life of radium is 1600 yr. The fraction of a sample of radium that would remain after 6400 yr
16
Aug
The half-life of radium is 1600 yr. The fraction of a sample of radium that would remain after 6400 yr The half-life of radium is 1600 yr. The fraction of a sample of radium that would remain after 6400 yr August 16, 2020 Category: Chapter 31 - Nuclei , NEET Last 32 Years Solved 1988 [...]
The count rate of a Geiger Muller counter for the radiation of a radioactive material of half-life 30 min decreases to 5s−1 after 2h. The initial count rate was
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Aug
The count rate of a Geiger Muller counter for the radiation of a radioactive material of half-life 30 min decreases to 5s−1 after 2h. The initial count rate was The count rate of a Geiger Muller counter for the radiation of a radioactive material of half-life 30 min decreases to 5s−1 after 2h. The initial [...]
Half-lives of two radioactive substances A and B are respectively 20 minutes and 40 minutes. Initially, he sample of A and B have equal number of nuclei. After 80 minutes the ratio of the remaining number of A and B nuclei is :
16
Aug
Half-lives of two radioactive substances A and B are respectively 20 minutes and 40 minutes. Initially, he sample of A and B have equal number of nuclei. After 80 minutes the ratio of the remaining number of A and B nuclei is : Half-lives of two radioactive substances A and B are respectively 20 minutes [...]
The relationship between disintegration constant ( λ ) and half-life ( T ) will be
16
Aug
The relationship between disintegration constant ( λ ) and half-life ( T ) will be The relationship between disintegration constant ( λ ) and half-life ( T ) will be August 16, 2020 Category: Chapter 31 - Nuclei , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
The half-life of a radioactive material is 3 h. If the initial amount is 300 g, then after 18 h, it will remain
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Aug
The half-life of a radioactive material is 3 h. If the initial amount is 300 g, then after 18 h, it will remain it will remain The half-life of a radioactive material is 3 h. If the initial amount is 300 g then after 18 h August 16, 2020 Category: Chapter 31 - Nuclei , [...]
Half-life period of a radioactive substance is 6h. After 24h activity is 0.01μC, what was the initial activity ?
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Aug
Half-life period of a radioactive substance is 6h. After 24h activity is 0.01μC, what was the initial activity ? Half-life period of a radioactive substance is 6h. After 24h activity is 0.01μC what was the initial activity ? August 16, 2020 Category: Chapter 31 - Nuclei , NEET Last 32 Years Solved 1988 - 2019 [...]
Half-life of a radioactive substance is 12.5 h and its mass is 256 g. After what time, the amount of remaining substance is 1 g ?
16
Aug
Half-life of a radioactive substance is 12.5 h and its mass is 256 g. After what time, the amount of remaining substance is 1 g ? Half-life of a radioactive substance is 12.5 h and its mass is 256 g. After what time the amount of remaining substance is 1 g ? August 16, 2020 [...]
A sample of radioactive elements contains 4×1010 active nuclei. If half-life of element is 10 days, then the number of decayed nuclei after 30 days is
16
Aug
A sample of radioactive elements contains 4×1010 active nuclei. If half-life of element is 10 days, then the number of decayed nuclei after 30 days is A sample of radioactive elements contains 4×1010 active nuclei. If half-life of element is 10 days then the number of decayed nuclei after 30 days is August 16, 2020 [...]