Radiocarbon is produced in the atmosphere as a result of

इंडियन गवर्नमेंट एग्जाम प्रेप

A collision between fast neutrons and nitrogen nuclei present in the atmosphere

B action of ultraviolet light from the sun on atmospheric oxygen

C action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere

D lightning discharge in atmosphere

Correct Answer: A

Solution & Explanation

Planets do not twinkle because

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Let a thin capillary tube be replaced with another tube of insufficient length then, we find water

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It is easier to roll a stone up a sloping road than to lift it vertical upwards because

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The absorption of ink by blotting paper involves

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It is more difficult to walk on a sandy road than on a concrete road because

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