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Radiocarbon is produced in the atmosphere as a result of It is easier to roll a

ID: 2118061 • Letter: R

Question

Radiocarbon is produced in the atmosphere as a result of

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

The absorption of ink by blotting paper involves

Siphon will fail to work if

Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to

Nuclear sizes are expressed in a unit named

1.

Radiocarbon is produced in the atmosphere as a result of

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

Explanation / Answer

1.C

2.D

3.B

4.B

5.C

6.A