Radius of the second Bohr obit of singly ionised helium atom is ......... $ \mathring A $
- A$0.53$
- B$1.06$
- C$0.265 $
- D$0.132$
Similar Questions
In nuclear reactions, we have the conservation of
In nuclear reactions, we have the conservation of
- [AIIMS 1997]
From the statements given below:$(A)$ The angular momentum of an electron in $n^{\text {th }}$ orbit is an integral multiple of $h$.$(B)$ Nuclear forces do not obey inverse square law.$(C)$ Nuclear forces are spin dependent.$(D)$ Nuclear forces are central and charge independent.$(E)$ Stability of nucleus is inversely proportional to the value of packing fraction.
Choose the correct answer from the options given below :
From the statements given below:$(A)$ The angular momentum of an electron in $n^{\text {th }}$ orbit is an integral multiple of $h$.$(B)$ Nuclear forces do not obey inverse square law.$(C)$ Nuclear forces are spin dependent.$(D)$ Nuclear forces are central and charge independent.$(E)$ Stability of nucleus is inversely proportional to the value of packing fraction.
Choose the correct answer from the options given below :
- [JEE MAIN 2024]
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 $^{107}_{47} Ag$ .
Given the mass of iron nucleus as $55.85\,u$ and $A=56$, find the nuclear density?
Given the mass of iron nucleus as $55.85\,u$ and $A=56$, find the nuclear density?
Write the unit of mass and its definition.
Write the unit of mass and its definition.