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(A-(II), B-(IV), C-(I), D-(III)) The four fundamental forces of nature and their relative strengths are as follows:$(i)$ Strong nuclear force: It is t

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(A-(II), B-(IV), C-(I), D-(III)) The four fundamental forces of nature and their relative strengths are as follows:$(i)$ Strong nuclear force: It is the strongest force,acting between nucleons (protons and neutrons) and quarks. Its relative strength is of the order of $1$.(ii) Electromagnetic force: It acts between electrically charged particles. Its relative strength is of the order of $10^{-2}$.(iii) Weak nuclear force: It acts between subatomic particles during certain radioactive decays. Its relative strength is of the order of $10^{-13}$.(iv) Gravitational force: It is the force of attraction between masses. Its relative strength is the weakest,of the order of $10^{-39}$.Comparing these with the given lists:$(A)$ Strong nuclear force $\rightarrow$ (ii) $1$$(B)$ Weak nuclear force $\rightarrow$ (iv) $10^{-13}$$(C)$ Electromagnetic force $\rightarrow$ $(i)$ $10^{-2}$$(D)$ Gravitational force $\rightarrow$ (iii) $10^{-39}$Thus,the correct matching is $A-(ii), B-(iv), C-(i), D-(iii)$.

Match the following fundamental forces of nature with their relative strength:
List-$I$ List-$II$
$(A)$ Strong nuclear force $(i)$ $10^{-2}$
$(B)$ Weak nuclear force (ii) $1$
$(C)$ Electromagnetic force (iii) $10^{-39}$
$(D)$ Gravitational force (iv) $10^{-13}$

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List-$I$	List-$II$
$(A)$ Strong nuclear force	$(i)$ $10^{-2}$
$(B)$ Weak nuclear force	(ii) $1$
$(C)$ Electromagnetic force	(iii) $10^{-39}$
$(D)$ Gravitational force	(iv) $10^{-13}$

Match the following fundamental forces of nature with their relative strength:List-$I$List-$II$$(A)$ Strong nuclear force$(i)$ $10^{-2}$$(B)$ Weak nuclear force(ii) $1$$(C)$ Electromagnetic force(iii) $10^{-39}$$(D)$ Gravitational force(iv) $10^{-13}$