4)
This is an important result It predicts that the V0
versus n  curve is a straight line with slope = (h/e),
ALBERT EINSTEIN (1879 – 1955)
Albert Einstein (1879 –
1955) Einstein, one of the
greatest physicists of all
time, was born in Ulm,
Germany In 1905, he
published three path-
breaking papers In the
first paper, he introduced
the notion of light quanta
(now called photons) and
used it to explain the
features of photoelectric
effect