Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Atomic mass number of an element is 232 and its atomic number is 90. The end product of this radiaoctive element is an isotope of lead (atomic mass 208 and atomic number 82.) The number of α-and β -particles emitted are.
14
Sep
Atomic mass number of an element is 232 and its atomic number is 90. The end product of this radiaoctive element is an isotope of lead (atomic mass 208 and atomic number 82.) The number of α-and β -particles emitted are. at time t1 and A2 at time t2 ( t2 >t1). If its mean [...]
The half life of a sample of radioactive substamnce is 1 hour. If 8 x 10^10 atoms are present at t = 0, then the number of atoms decayed in the duration t = 2 hour to t = 4 hour will be
14
Sep
The half life of a sample of radioactive substamnce is 1 hour. If 8 x 10^10 atoms are present at t = 0, then the number of atoms decayed in the duration t = 2 hour to t = 4 hour will be The half life of a sample of radioactive substamnce is 1 hour. [...]
The activity of a sample of a radioactive material is A, at time t1 and A2 at time t2 ( t2 >t1). If its mean life T, then
14
Sep
The activity of a sample of a radioactive material is A, at time t1 and A2 at time t2 ( t2 >t1). If its mean life T, then at time t1 and A2 at time t2 ( t2 >t1). If its mean life T The activity of a sample of a radioactive material is A [...]
During mean life of a radioactive element, the fraction that disintegrates is
14
Sep
During mean life of a radioactive element, the fraction that disintegrates is During mean life of a radioactive element the fraction that disintegrates is September 14, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The half – life of 131 I is 8 days. Given a sample of 131 I at time t = 0, we can assert that
14
Sep
The half – life of 131 I is 8 days. Given a sample of 131 I at time t = 0, we can assert that The half - life of 131 I is 8 days. Given a sample of 131 I at time t = 0 we can assert that September 14, 2020 Category: Uncategorised [...]
At any instant the ratio of the amount of radioactive substances is 2 : 1. if their half – lives be respectively 12 and 16 hours, then after two days, what will be the ratio of the substances?
14
Sep
At any instant the ratio of the amount of radioactive substances is 2 : 1. if their half – lives be respectively 12 and 16 hours, then after two days, what will be the ratio of the substances? At any instant the ratio of the amount of radioactive substances is 2 : 1. if their [...]
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 :
14
Sep
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 [...]
An element A decays into element C by a two step process A gives + B +He^4 B gives C + 2e- Then
14
Sep
An element A decays into element C by a two step process A gives + B +He^4 B gives C + 2e- Then An element A decays into element C by a two step process A gives + B +He^4 B gives C + 2e- Then September 14, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
A radioactive nucleus undergoes a series of decay according to the scheme A→βA1→αA2→αA3 If the mass number and atomic number of A are 180 and 72, respectively, what are these number A4 ?.
14
Sep
A radioactive nucleus undergoes a series of decay according to the scheme A→βA1→αA2→αA3 If the mass number and atomic number of A are 180 and 72, respectively, what are these number A4 ?. A radioactive nucleus undergoes a series of decay according to the scheme A→βA1→αA2→αA3 If the mass number and atomic number of A [...]
In the given reaction .zXA→.z+1YA→.z−1KA−4→.z−1KA−4 Radioactive radiations are emitted in the sequence.
14
Sep
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. September 14, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,