1061. Water’s particles are excellent emulsifiers since they are:

A. Neutral
B. Polar *
C. Non-Polar
D. Covalent

1062. All of the ions that pass through crossed electric and magnetic fields without deflection have th same :

A. Mass *
B. Speed
C. Momentum
D. Energy

1063. The mass of a nucleus is equal to the sum of the masses of its constituent nucleons:

A. Greater
B. The same
C. Smaller *
D. Sometimes Greater and Sometimes smaller

1064. The Ionization energy of an atom relative to blinding energy of its nucleus is:

A. Greater
B. The Same
C. Smaller *
D. Sometimes greater and sometimes smaller

1065. Yukawa’s theory suggest that nuclear forces arrives through the exchange of :

A. Electrons
B. Protons
C. Neutrons
D. Masons *

1066. The Tunnel affect makes possible :

A. Alpha Decay *
B. -VE beta Decay
C. +VE beta Decay
D. Gamma Decay

1067. A nucleus with an excess of neutrons may decay radioactively with the emission of :

A. A neutron
B. A proton
C. An Electron *
D. A Positron

1068. The first phase of a nuclear reaction involves the formation of :

A. An Alpha Particle
B. A compound Nucleus *
C. An Isotope
D. A mason

1069. Unstable elementary particles heavier than the proton are called :

A. Leptons
B. K.Mesons
C. Strange Particles
D. Hyperons *

1070. A quantity not always conserve in the decay of elementary particles is :

A. Electric Charger
B. Lepton Number
C. Baryon Number *
D. Strangeness Number

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