Phonograph Quiz

Who introduced the earliest machine for recording and playing back sound?

• Alexander Graham Bell

• Nikola Tesla

• Thomas Edison

• Marie Curie

What year did Thomas Edison invent the machine for recording and playing back sound?

• 1880

• 1877

• 1890

• 1875

What was the recording medium of Thomas Edison's earliest sound recording machine?

• Magnetic tape

• Wax cylinder

• Vinyl

• Tin foil

How was the sound recorded on the tin foil phonograph?

• By using electrical signals

• By making indentations with a needle

• By burning the surface with a laser

• By using magnetic fields

What was the reaction of audiences when they first heard sound from Edison's phonograph?

• They were confused

• They were terrified

• They were astonished

• They were indifferent