hertz
Definition of
hertz
:
the
unit
of
frequency
;
one
hertz
has
a
periodic
interval
of
one
second
German
physicist
who
was the
first
to
produce
electromagnetic
waves
artificially
(1857-1894)
German
physicist
who
with
James
Franck
proved
the
existence
of the
stationary
energy
states postulated
by
Bohr
(1887-1975)
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