Q. Meridional rays in graded index fibers follow (Solved)
1. straight path along the axis
2. curved path along the axis
3. path where rays changes angles at core-cladding interface
4. helical path
- b. curved path along the axis
1. straight path along the axis
2. curved path along the axis
3. path where rays changes angles at core-cladding interface
4. helical path