1 votes 1 votes _________ is used to describe the light gathering or light collecting ability of an optical fiber a. Critical angle b. Cut-off wavelength c. Numerical Aperture d. Acceptance angle Computer Networks isro-ece isro2011-ece computer-networks + – sh!va asked Feb 28, 2017 • retagged Mar 10, 2019 by Naveen Kumar 3 sh!va 959 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
1 votes 1 votes Ans (C) - Numerical Apreture. More reference : https://en.wikipedia.org/wiki/Numerical_aperture junk_mayavi answered Mar 1, 2017 junk_mayavi comment Share Follow See all 0 reply Please log in or register to add a comment.