Communication Systems (Quiz)

Attention JEE MAIN standard Aspirants! Just Exam provide a platform to all students who want to make practice for various subject online.
Interested students may contact us at for full course access.

Dear User, Kindly login/register to view answer & explanation of each question.
Click here to Login/Sign Up.

Q.1 Consider telecommunication through optical fibres. Which of the following statements is not true?
  Optical fibres can be graded refractive index
  Optical fibres are subjected to electromagnetic interference from outside
  Optical fibres have extremely low transmission loss
  Optical fibres may have homogeneous core with a suitable cladding