Consider the following statements :
$A.$ Atoms of each element emit characterstics spectrum.
$B.$ According to Bohr's Postulate, an electron in a hydrogen atom, revolves in a certain stationary orbit.
$C.$ The density of nuclear matter depends on the size of the nucleus.
$D.$ A free neutron is stable but a free proton decay is possible.
$E.$ Radioactivity is an indication of the instability of nuclei.
Choose the correct answer from the options given below
Consider the following statements :
$A.$ Atoms of each element emit characterstics spectrum.
$B.$ According to Bohr's Postulate, an electron in a hydrogen atom, revolves in a certain stationary orbit.
$C.$ The density of nuclear matter depends on the size of the nucleus.
$D.$ A free neutron is stable but a free proton decay is possible.
$E.$ Radioactivity is an indication of the instability of nuclei.
Choose the correct answer from the options given below
- [JEE MAIN 2021]
- A
$A,B$ and $E$ only
- B
$B$ and $D$ only
- C
$A, C$ and $E$ only
- D
$A,B, C,D$ and $E$
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