48ᵗʰ to 52ⁿᵈ B.P.S.C. (Pre) 2008
Who was the inventor of RADAR?
aRobert Watson✓ Correct
bFleming
cBush Wall
dAustin
Explanation
Scottish physicist Robert Watson developed the first experimental radar (RADAR—Radio Detection and Ranging) system in 1935. During World War II, this system was used to give warning before air attacks.
general-science