Optical fibres are used for communication in LASER because
(1) Interference is produced by other lasers
(2) They ensure that the beam does not scatter
(3) They produce atmospheric interference
(4) None of these
Answer Posted / abisek. s
(2) They ensure that the beam does not scatter
| Is This Answer Correct ? | 3 Yes | 1 No |
Post New Answer View All Answers
i want the study material for the post of je(electronics) plz send me study material
sir please iwant to rrb health inspector examination privious papers
sir i am doing mca what type of jobs there in railway
where can we search the previous question papers for station master,ticket collector,goods gaurds...plz mention book name.
what is written on you t_shirt back side
please give me information about rrb technical cadre exam for eee dept....also mailme some previous year questn papers..my id is gj.1892@gmail.com
Please anybody let me know whether RRB chennai will conduct JE & SSE exams next year (2017)?
hi ., can anyone post the rrb chennai enquiry cum reservation clerk / goods guard written test pattern ?
Sir, please send me solved question paper for section and junior engineer(electrical)
sir ,iam an B.Tech ece student applied for the post of section engineer(signal)2010 and i want to know the previous questions of this examination.so sir,please forward the model papers of the above mentioned categorie to my mail id:shriragini.k@gmail.com
Dear sir, This is my kind request can i get rrb junior engineer(Electrical) model question paper for the past2 years pls message me or contact me in the below mail id vinothkannan6@gmail.com or natraj.joseph@gmail.com pls sir this is my hummbelrequest
Sir, please send me rrb technician 3 electrician model questions in email id: anand.jsr01@gmail.com.
group d second selected list out date give me detail. roll.no.:-17437316
sir i need importan general science bit bank for rrb secunderabad
Can any body mail me previous year question papers of RRB- civil engineering for post of sectional engineer