Sir Frank Whittle, a Royal Air Force engineer officer, developed which invention in the 1930s?

AThe jet engineRight answer
BRadar
CThe Harrier jump jet
DThe hovercraft

Answer: The jet engine

Whittle developed the jet engine in Britain in the 1930s. The hovercraft came later, in the 1950s, from Sir Christopher Cockerell.

From chapter 3 of the handbook, "A long and illustrious history", section "Britain since 1945". Practice question 268 of 651, written in our own words.

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