Q. Who developed the wireless telegraph?
Answer: Marconi
Notes: Guglielmo Marconi (1874-1937) was an Italian inventor and engineer who developed, demonstrated and marketed the first successful long-distance wireless telegraph. He developed Marconi's law, and a radio telegraph system.

This question is part of 40000+ MCQs GKToday PCS Mock Tests Series in GKToday Android app. Question Number: 57 in GKToday PCS Mock Test - 74 in above course in App.