Electrons
Positrons
Neutrons
Mesons
The number of waves per second in a sound is called _ of that sound.
The oil in the wick of a lamp rises up due to
The oil in the wick of an oil lamp rises up due to
The oil in the wick of lamp rises due to
The oldest type of energy known to man is
The operation of the electric generator and motor is based on the interaction between
The ordinary and maximum tolerance limit of sound by human being is
The Ozone Layer restricts from
The part of the eye having the larges refractive index is:
The particle required to continue the chain process of Uranium fission is:
