Basic General Knowledge
Microphone is used to convert

sound waves into magnetic currents
electrical energy into sound waves
sound waves into light rays
sound waves into electrical energy

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Basic General Knowledge
The UN Flag is made up of

None of these
the red UN Emblem is super-imposed on white background
the white UN Emblem is super-imposed on a light blue background
the light blue UN Emblem is super-imposed on white background

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