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ग्रहों की स्थिति

Q1. दूरी के अनुसार ग्रहों की स्थिति ? बुध (Mercury) शुक्र (Venus) पृथ्वी (Earth) मंगल (Mars) वृहस्पति (Jupiter) शनि (Saturn) यूरेनस (Uranus)...

● Quark ➔ fundamental constituent of matter and is defined as an elementary particle.

● Quarks ➔ combine to produce composite particles called hadrons, the most stable of which are neutrons and protons which are the components of atomic nuclei.

● Interact with the strong nuclear force.

● Protons and neutrons belong to the category of Quarks.

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