Q. What is an optical fibre ? [PTU 2004 ]
:- It is a narrow cylindrical structure of glass core surrounded by a cladding of slightly lower refractive index. The core diameter usually varies between 8 micrometer to 100 micrometer whereas cladding diameter varies from 125 micrometer to140 micrometer.
:- It is a narrow cylindrical structure of glass core surrounded by a cladding of slightly lower refractive index. The core diameter usually varies between 8 micrometer to 100 micrometer whereas cladding diameter varies from 125 micrometer to140 micrometer.
Post a Comment
EmoticonClick to see the code!
To insert emoticon you must added at least one space before the code.