The decay of a proton to neutron is :
The decay of a proton to neutron is :
- [JEE MAIN 2021]
- A
not possible as proton mass is less than the neutron mass
- B
possible only inside the nucleus
- C
not possible but neutron to proton conversion is possible
- D
always possible as it is associated only with $\beta^{+}$ decay
Similar Questions
Which of the following particle has similar mass to electron
Which of the following particle has similar mass to electron
Consider the following statements ( $X$ and $Y$ stand for two different elements):
$(I)$ ${ }_{32}^{65} X$ and ${ }_{33}^{65} Y$ are isotopes.
$(II)$ ${ }_{42}^{86} X$ and ${ }_{42}^{85} Y$ are isotopes.
$(III)$ ${ }_{85}^{174} X$ and ${ }_{88}^{177} Y$ have the same number of neutrons.
$(IV)$ ${ }_{92}^{235} X$ and ${ }_{94}^{235} Y$ are isobars.
Which of the above statements are correct?
Consider the following statements ( $X$ and $Y$ stand for two different elements):
$(I)$ ${ }_{32}^{65} X$ and ${ }_{33}^{65} Y$ are isotopes.
$(II)$ ${ }_{42}^{86} X$ and ${ }_{42}^{85} Y$ are isotopes.
$(III)$ ${ }_{85}^{174} X$ and ${ }_{88}^{177} Y$ have the same number of neutrons.
$(IV)$ ${ }_{92}^{235} X$ and ${ }_{94}^{235} Y$ are isobars.
Which of the above statements are correct?
- [KVPY 2017]
Describe the nuclear force and its characteristics.
Describe the nuclear force and its characteristics.
Obtain approximately the ratio of the nuclear radii of the gold isotope $^{197}_{79} Au$ and the silver isotope $^{107}_{47} Ag$ .
Obtain approximately the ratio of the nuclear radii of the gold isotope $^{197}_{79} Au$ and the silver isotope $^{107}_{47} Ag$ .
The nuclear radius is given by $R=r_0 A^{1 / 3}$, where $r_0$ is constant and $A$ is the atomic mass number. Then, the nuclear mass density of $U^{238}$ is
The nuclear radius is given by $R=r_0 A^{1 / 3}$, where $r_0$ is constant and $A$ is the atomic mass number. Then, the nuclear mass density of $U^{238}$ is
- [KVPY 2019]