Modern Physics 7 Question 14

14. The wavelength of the carrier waves in a modern optical fibre communication network is close to

(Main 2019, 8 April I)

(a) 2400nm

(b) 1500nm

(c) 600nm

(d) 900nm

Show Answer

Solution:

  1. In optical fibre communication network, the signals are transmitted by laser light operating in range of 1310nm1550 nm.

So, the closest value is 1500nm.



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक