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Atomic Physics – 1 – 2

6. Nucleus is :

(a) positively charged
(b) negatively charged
(c) neutral
(d) charge keeps on changing

Answer
Answer : (a)

Explanation
No answer description available for this question. Let us discuss.

7. Electron in atom are held in atom due to :

(a) atomic force
(b) nuclear force
(c) coulombs force
(d) none fo these

Answer
Answer : (c)

Explanation
No answer description available for this question. Let us discuss.

8. An electron can Never be found inside nucleus’, this statement is according to :

(a) Bohr’s model
(b) Bernoulli’s equation
(c) Heisenberg uncertainty principle
(d) None of these

Answer
Answer : (c)

Explanation
No answer description available for this question. Let us discuss.

9. The ionization energy of hydrogen atom is 13.6 eV. The ionization energy of helium atom would be :

(a) 13.6 eV 
(b) 27.2 eV 
(c) 54.4 eV
(d) 62.8 eV 

Answer
Answer : (c)

Explanation
No answer description available for this question. Let us discuss.

10. In Bohr model the hydogen atom, the lowest orbil corresponds to :

(a) Intinite energy
(b) Zero energy
(c) The minimum energy
(d) The maximum energy

Answer
Answer : (c)

Explanation
No answer description available for this question. Let us discuss.

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