(b) convex and concave
(c) both concave of different focal lengths
(d) both convex of different focal lengths
In the phenomenon of dispersion of light, the
light wave of shortest wavelength is
(CDS 2014-11
(a) accelerated and refracted the most
(b) slowed down and refracted the most
(c) accelerated and refracted the least
(d) slowed down and refracted the least
An oscilloscope is an instrument which allows
S2
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