The known forces of natures can be divided into four classes, viz., gravity, electromagnetism, week nuclear force and strong nuclear force. With reference to them, which one of the following statements is not correct?

Electromagnetism acts only on particles with an electric charge

Gravity is the strongest of the four

Weak nuclear force causes radioactivity

. Strong nuclear force holds protons and neutrons inside the nucleus of an atom

The known forces of natures can be divided into four classes, viz., g

1.	The known forces of natures can be divided into four classes, viz., gravity, electromagnetism, week nuclear force and strong nuclear force. With reference to them, which one of the following statements is not correct?
A.	Gravity is the strongest of the four
B.	Electromagnetism acts only on particles with an electric charge
C.	Weak nuclear force causes radioactivity
D.	. Strong nuclear force holds protons and neutrons inside the nucleus of an atom
Answer» B. Electromagnetism acts only on particles with an electric charge

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The known forces of natures can be divided into four classes, viz., gravity, electromagnetism, week nuclear force and strong nuclear force. With reference to them, which one of the following statements is not correct?

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