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Question: The known forces of nature can be divided
into four classes, viz., gravity,
electromagnetism, weak nuclear force and
strong nuclear force. With reference to them,
which one of the following statements is not

1)Gravity is the strongest of the four
2)Electromagnetism acts only on particles with
an eclectic charge
3)Weak nuclear force causes radioactivity
4)Strong nuclear force holds protons and
neutrons inside the nucleus of an atom

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Exam Exam: CSAT IAS 2013

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