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conversion of chemical energy into heat energy
conversion of mechanical energy into nuclear energy
conversion of mass into energy
conversion of neutrons into protons
Isotopes are separated by
The wavelength of X-rays is of the order of
Mesons are found in
Which radioactive pollutant has recently drawn to public, due to its occurrence in the building material
Shows the masses of the three elementary particles in decreasing order
What is the wavelength of visible spectrum
Which of the following has a least penetrating power
The isotope of uranium capable of sustaining chain reaction is
The age of most ancient geological formations is estimated by
Who suggested that most of the mass of the atom is located in the nucleus