Home › AP EAPCET (Engineering) › Physics › Communication Systems › The range of entry angles over which light can t…
The range of entry angles over which light can travel down a fibre is called what?
ACritical zone
BCladding ring
CModal gap
DAcceptance cone
Answer & Solution
Correct answer: D. Acceptance cone
Only light entering within this cone of angles is guided without leaking out of the core.
Related questions
Which modulation form is used on the AM radio broadcasting band?The lower frequency band occupied by the message signal before modulation is called the:Which is an analog-over-analog pulse modulation method?Which of these is a pulse modulation method that sends an analog signal as a digital code?Quadrature amplitude modulation is equivalent to a combination of which two schemes?Which scheme represents digital data by using a finite set of carrier amplitudes?In frequency modulation, which carrier property follows the instantaneous message amplitudThe device that performs both modulation and demodulation in two-way communication is a: