45-60 db
100-120 db
60-80 db
25-45 db
The nuclear particle having no mass & no charge, but only spin is
The nuclear particles that are assumed to hold nucleons together are
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
