In helium nucleus, there are
In helium nucleus, there are
- A
$2$ protons and $2$ electrons
- B
$2$ neutrons, $ 2$ protons and $2$ electrons
- C
$2$ protons and $2$ neutrons
- D
$2$ positrons and $2$ protons
Similar Questions
The nuclear force between two nucleons is explained by
The nuclear force between two nucleons is explained by
The mass density of a nucleus varies with mass number $A$ as
The mass density of a nucleus varies with mass number $A$ as
- [AIPMT 1992]
Radius of $_2H{e^4}$ nucleus is $3 \,Fermi.$ The radius of $_{82}P{b^{206}}$ nucleus will be..........$fermi$
Radius of $_2H{e^4}$ nucleus is $3 \,Fermi.$ The radius of $_{82}P{b^{206}}$ nucleus will be..........$fermi$
Assertion : Neutrons penetrate mater more readily as compared to protons.
Reason : Neutrons are slightly more massive than protons.
Assertion : Neutrons penetrate mater more readily as compared to protons.
Reason : Neutrons are slightly more massive than protons.
- [AIIMS 2003]
In beta decay
In beta decay