11. There are 82 protons in a lead nucleus. Why nature needs the neutrons too in

Question

11. There are 82 protons in a lead nucleus. Why nature needs the neutrons too in this nucleus? A) Coulomb repulsive force B) gravity needs weight C) the negatively charged neutrons must balance the positively charged protons D) protons lose their positive charge next to a neutron E) none of the above

14. WaveParticle duality applies to: A) Photons only B) Phonons only C) Electrons only D) Photons, electrons and neutrons only E) Photons, electrons and neutrons and other particles too

15. Two parallel wires carrying a current flowing to the same direction will be A) Repelled from each other B) Attracted to each other C) Ignoring each other’s effect D) None of the above

Explanation / Answer

11)

D) protons lose their positive charge next to a neutron

14)

E) Photons, electrons and neutrons and other particles too

15)

B) Attracted to each other

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.