Physics
Which of the following occurred first ?

Guglielmo Marconi sent out the first wireless signals
Max Planck unveiled the Quantum Theory
Albert Einstein propounded the General Theory of Relativity
Wright Brothers successfully flew an aircraft

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Physics
Which one of the following is the correct sequence of passage of light in a compound microscope?

Condenser -Objective lens -Eye -piece -Body tube
Objective lens -Condenser -Body tube -Eye piece
Condenser -Objective lens -Body tube -Eyepiece
Eyepiece -Objective lens -Body tube -Mirror

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