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PPSC Past Paper 2025 (Assistant Superintendent Jail)
PPSC · 2025 · Practice with instant answers and explanations
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100 Past Paper MCQs
Question 54 of 100
54%
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00:00
Question
54
Past Paper
PPSC
Who invented radio-wave communication?
A
Alexander Graham Bell
B
Thomas Edison
C
Albert Einstein
D
Guglielmo Marconi
Correct Answer:
Option D — Guglielmo Marconi
Explanation:
Guglielmo Marconi developed practical long-distance radio communication using radio waves.
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