In nuclear reactions, ______________ number is conserved?
In nuclear reactions, ______________ number is conserved?
A. Mass
B. Atomic
C. Both A. & B.
D. Neither A. nor B.
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The size of an atom is of the order of one __________________?
The size of an atom is of the order of one __________________?A. °Angstrom
B. Fermi
C. Micron
D. mmA radioactive substance does not emit________________?
A radioactive substance does not emit________________?A. α-ray
B. Proton
C. Position
D. β-rayFuel for a fast breeder reactor is_________________?
Fuel for a fast breeder reactor is_________________?A. Plutonium
B. Uranium
C. Radium
D. NeptuniumWhen the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as____________________?
When the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as____________________?A. Isomers
B. Isotopes
C. Isobars
D. IsotonesWater is a better coolant than a gas (like CO2, He, N2 etc.), because it_________________?
Water is a better coolant than a gas (like CO2, He, N2 etc.), because it_________________?A. Is a better neutron moderator as well
B. Require comparatively smaller pumps and heat exchanger for a given heat transfer rate
C. Has a better heat transfer characteristics, and it can be pressurised to attain a high temperature
D. All A., B. and C._____________ have the same mass number, but different nuclear charge ?
_____________ have the same mass number, but different nuclear charge ?A. Isotopes
B. Isobars
C. Isotones
D. None of these