He brilliantly
explained the double
refraction shown by the
mineral calcite in this
work in addition to
reflection and refraction He was the first to
analyse circular and
simple harmonic motion
and designed and built
improved clocks and
telescopes He discovered
the true geometry of
Saturn’s rings Rationalised 2023-24
Physics
260
The above equation implies that when a wave gets refracted into a
denser medium (v1 > v2) the wavelength and the speed of propagation
decrease but the frequency  n (= v/l) remains the same