The numerical aparture of an optical fibre is 0.39. If the difference in the refractive indices of the material of its core and the cladding is 0.05, calculate the refractive index of material of the core.

Getting Info...

About the Author

"Meet Mr. Akhand Dutta, the visionary Founder and Owner of CEWA (Civil Engineering With Akhand Dutta). Currently, The Placement Coordinator for Structural Engineering at the prestigious National Institute of Technology, Kurukshetra. With a lif…

Civil Engineering With Akhand Dutta

The numerical aparture of an optical fibre is 0.39. If the difference in the refractive indices of the material of its core and the cladding is 0.05, calculate the refractive index of material of the core.

About the Author

إرسال تعليق

Determine the transition temperature and critical field at 4.2 K for a given specimen of a superconductor if the critical fields are 1.41 × 105 and 4.205 × 105 A/m at 14.1 K and 12.9 K, respectively.

A point P is 50 mm away from both the reference planes. Draw its all possible projections.

Calculate the probability of an electron occupying an energy level 0.02 eV above the Fermi level at 200 K and 400 K in a material.

Find the temperature at which there is 1.0 % probability that a state with energy 0.5 eV above Fermi energy will be occupied.

Find the probability with which an energy level 0.02 eV below the Fermi level will be occupied at room temperature of 300 K and at 1000 K.