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
$1 a.m.u.$ is equivalent to
$1 a.m.u.$ is equivalent to
Write and explain the Einstein theory of special relativity.
Write and explain the Einstein theory of special relativity.
Write the unit of mass and its definition.
Write the unit of mass and its definition.
A nucleus disintegrates into two smaller parts, which have their velocities in the ratio $3: 2$. The ratio of their nuclear sizes will be $\left(\frac{x}{3}\right)^{\frac{1}{3}}$. The value of ' $x$ ' is :
A nucleus disintegrates into two smaller parts, which have their velocities in the ratio $3: 2$. The ratio of their nuclear sizes will be $\left(\frac{x}{3}\right)^{\frac{1}{3}}$. The value of ' $x$ ' is :
- [JEE MAIN 2023]
Is nuclear force short range or long range ?
Is nuclear force short range or long range ?