Radioactivity
PHXII13:NUCLEI

363884 In nuclear reaction,
\(_2H{e^4}{ + _z}{X^A}{ \to _{z + 2}}{Y^{A + 3}}{ + _a}{M^b}\)
Where \(M\) denotes

1 electron
2 poistron
3 proton
4 neutron
PHXII13:NUCLEI

363885 The electron emitted in beta radiation originates from

1 inner orbits of atoms
2 free electron existing in nuclei
3 decay of neutron in the nucleus
4 photon escaping from the nucleus
PHXII13:NUCLEI

363886 Assertion :
In \(\alpha\) -decay, atomic number of daughter nucleus reduces by a unit from the parents nucleus.
Reason :
An \(\alpha\) -particle carries four units of mass.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII13:NUCLEI

363887 A radioactive nucleus undergoes a series of decay according to the scheme
supporting img
If the mass number and atomic number of ' \(A\) ' are 180 and 72 respectively, then what are these numbers for \({A_4}\)

1 172 and 69
2 174 and 70
3 176 and 69
4 176 and 70
PHXII13:NUCLEI

363884 In nuclear reaction,
\(_2H{e^4}{ + _z}{X^A}{ \to _{z + 2}}{Y^{A + 3}}{ + _a}{M^b}\)
Where \(M\) denotes

1 electron
2 poistron
3 proton
4 neutron
PHXII13:NUCLEI

363885 The electron emitted in beta radiation originates from

1 inner orbits of atoms
2 free electron existing in nuclei
3 decay of neutron in the nucleus
4 photon escaping from the nucleus
PHXII13:NUCLEI

363886 Assertion :
In \(\alpha\) -decay, atomic number of daughter nucleus reduces by a unit from the parents nucleus.
Reason :
An \(\alpha\) -particle carries four units of mass.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII13:NUCLEI

363887 A radioactive nucleus undergoes a series of decay according to the scheme
supporting img
If the mass number and atomic number of ' \(A\) ' are 180 and 72 respectively, then what are these numbers for \({A_4}\)

1 172 and 69
2 174 and 70
3 176 and 69
4 176 and 70
PHXII13:NUCLEI

363884 In nuclear reaction,
\(_2H{e^4}{ + _z}{X^A}{ \to _{z + 2}}{Y^{A + 3}}{ + _a}{M^b}\)
Where \(M\) denotes

1 electron
2 poistron
3 proton
4 neutron
PHXII13:NUCLEI

363885 The electron emitted in beta radiation originates from

1 inner orbits of atoms
2 free electron existing in nuclei
3 decay of neutron in the nucleus
4 photon escaping from the nucleus
PHXII13:NUCLEI

363886 Assertion :
In \(\alpha\) -decay, atomic number of daughter nucleus reduces by a unit from the parents nucleus.
Reason :
An \(\alpha\) -particle carries four units of mass.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII13:NUCLEI

363887 A radioactive nucleus undergoes a series of decay according to the scheme
supporting img
If the mass number and atomic number of ' \(A\) ' are 180 and 72 respectively, then what are these numbers for \({A_4}\)

1 172 and 69
2 174 and 70
3 176 and 69
4 176 and 70
PHXII13:NUCLEI

363884 In nuclear reaction,
\(_2H{e^4}{ + _z}{X^A}{ \to _{z + 2}}{Y^{A + 3}}{ + _a}{M^b}\)
Where \(M\) denotes

1 electron
2 poistron
3 proton
4 neutron
PHXII13:NUCLEI

363885 The electron emitted in beta radiation originates from

1 inner orbits of atoms
2 free electron existing in nuclei
3 decay of neutron in the nucleus
4 photon escaping from the nucleus
PHXII13:NUCLEI

363886 Assertion :
In \(\alpha\) -decay, atomic number of daughter nucleus reduces by a unit from the parents nucleus.
Reason :
An \(\alpha\) -particle carries four units of mass.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXII13:NUCLEI

363887 A radioactive nucleus undergoes a series of decay according to the scheme
supporting img
If the mass number and atomic number of ' \(A\) ' are 180 and 72 respectively, then what are these numbers for \({A_4}\)

1 172 and 69
2 174 and 70
3 176 and 69
4 176 and 70