MPSC Rajyaseva 2019 CSAT — Question 11
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व्यावहारिक दृष्ट्या अणूचे सारे वस्तुमान मुख्यत्वे त्याच्या पुढील कणांमध्ये एकत्रित असते... / Practically all the mass of an atom is concentrated in its
(a)प्रोटॉन / Protons
(b)न्युट्रॉन / Neutrons
(c)इलेक्ट्रॉन / Electrons
(d)वरील सर्व / All the above
1)फक्त अ / Only a
2)फक्त अ आणि ब / Only a and b✓ Correct
3)फक्त क / Only c
4)फक्त ड / Only d
Practically all the mass of an atom is concentrated in its nucleus, which consists of protons and neutrons (nucleons). Electrons have negligible mass.
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खालील धातू विचारत घ्या.
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(d) शिसे
चढत्या धनतेनुसार त्यांची क्रमवारी लिहा :
Consider the following metals :
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Their correct arrangement in the increasing order of density is :हायड्रोजनचे समस्थानिके आणि त्यांचे अनुक्रमे वस्तुमान गुणोत्तर ________ आहे.
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What is the atomic number of carbon ?
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