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- Consider the following statements : A. Atoms of each element emit characteristics 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
Consider the following statements : A. Atoms of each element emit characteristics 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 :
Option: 1 A, B, C, D and E
Option: 2 A, B and E only
Option: 3 B and D only
Option: 4 A, C and E only
Answers (1)
A free neutron is unstable
Density of nuclear matter is constant for all elements.
The correct option is (2)
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