31.  Which property of object is responsible for the electric force ?

A. electric charge

B. pressure

C. volume

D. mass

Answer : Option A

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32.  Which property of object is responsible for the Gravitational force.

A. electric charge

B. mass

C. pressure

D. volume

Answer : Option B

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33.  How much times is the strong nuclear force stronger then weak nuclear force ?

A. \(10^{13}\)

B. \(10^{2}\)

C. \(10^{-13}\)

D. \(10^{-2}\)

Answer : Option A

Explanation :

\(\frac{Strong\ nuclear\ force}{Electromagnatic\ force}=\frac{1}{10^{-2}}=10^{2}\)

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34.  How much times is the strong nuclear force stronger then electromagnetic force ?

A. \(10^{13}\)

B. \(10^{2}\)

C. \(10^{-13}\)

D. \(10^{-2}\)

Answer : Option B

Explanation :

\(\frac{Strong\ nuclear\ force}{Weak\ nuclear\ force}=\frac{1}{10^{-13}}=10^{13}\)

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35.  How much times is the electromagnetic force stronger then Gravitational force

A. \(10^{13}\)

B. \(10^{-13}\)

C. \(10^{36}\)

D. \(10^{-36}\)

Answer : Option C

Explanation :

\(\frac{Electronmagnetic\ force}{Gravational\ force}=\frac{10^{-2}}{10^{-38}}=10^{36}\)

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36.  Who has unified electromagnetism and optics ?

A. Newton

B. Maxwell

C. Coulomb

D. Faraday

Answer : Option B

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37.  Who has unified terrestrial and celestial domains under a common law of Gravitational

A. Newton

B. Maxwell

C. Coulomb

D. Faraday

Answer : Option A

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38.  The weak nuclear force, Gravitational force and electromagnetic force are A, B and C Respectively then ________

A. \(C > A > B\)

B. \(C > A < B\)

C. \(B > A > C\)

D. None of these

Answer : Option A

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39.  Range of weak nuclear force is ________

A. \(10^{-15}km\)

B. \(10^{-14}km\)

C. \(10^{-18}km\)

D. \(10^{-20}km\)

Answer : Option C

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40.  Strong nuclear force close not exist on ________

A. Proton

B. Nuclear

C. Neutron

D. Electron

Answer : Option D

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