Atomic Physics – Exercise – 1

1. The size of the atom is of the order of :

(a) 10–14 m
(b) 10–10 m
(c) 10–8 m
(d) 10–6 m

Answer
Answer : (b)
Explanation
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2. The size of the nucleus is of the order of :

(a) 10–14 m
(b) 10–10 m
(c) 10–8 m
(d) 10–6 m

Answer
Answer : (a)
Explanation
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3. The ratio of atomic volume of nuclear volume is of the order of :

(a) 1015
(b) 10–15
(c) 1010
(d) 10–10

Answer
Answer : (a)
Explanation
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4. Nucleon is common name for :

(a) electron and neutron
(b) Proton and neutron
(c) neutron and Positron
(d) neufrom and neurtino

Answer
Answer : (b)
Explanation
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5. The nuclear 7N14 and 6C13 can be desribed as :

(a) Isobars
(b) Isotope
(c) Isomer
(d) Isotones

Answer
Answer : (d)
Explanation
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