Q)
(chatquestion)...Test-11 (Code A)
An optical fibre consists of a transparent core fibre
of refractiveindex n, surrounded by a transparent
cladding of slightly lower index n,. If fibre is kept in
medium of refractive index n, then maximum
acceptance angle 0, on the axis of the core is given
by
no
n, cladding
n, core
Y.
axis
n, cladding
sinee
(2) sin0e
%3D
no
no
(3) sine.
+ n
(4) sin0,
no
no
...
