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surender kumar

· started a discussion

· 1 Months ago

wrog solution (Question:601033.0)

inventor of helicoptor were igor sikorsky and paul cornu

Question:
Who invented ‘Helicopter’ ?
Options:
A) Cockrell
B) Igor Sikorsky
C) Otis
D) Frank Whittle
Solution:
Helicopter was invented by Igor Sikorsky .

Igor Sikorsky is considered to be the "father" of helicopters not because he was the first to invent it, but because he invented the first successful helicopter upon which further designs were based upon.

Knowledge Expert

· commented

· 1 Months ago

Dear student,
It is already mentioned.
Keep learning,
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