Inventions MCQs

✅ The correct answer is option C.
George Gamow. Gamow, who died in 1968, was a physicist, who published “Thirty Years that Shook Physics”.

✅ The correct answer is option A.
Invented in 1760.

A list of Benjamin Franklin’s inventions reveals a man of many talents and interests. It was the scientist in Ben that brought out the inventor. His natural curiosity about things and the way they work made him try to find ways to make them work better.

Ben had poor vision and needed glasses to read. He got tired of constantly taking them off and putting them back on, so he decided to figure out a way to make his glasses let him see both near and far. He had two pairs of spectacles cut in half and put half of each lens in a single frame. Today, we call them bifocals.

✅ The correct answer is option C.

✅ The correct answer is option D.

✅ The correct answer is option C.
Alexander Graham Bell’s notebook entry of 10 March 1876 describes his successful experiment with the telephone. Speaking through the instrument to his assistant, Thomas A. Watson, in the next room, Bell utters these famous first words, “Mr. Watson — come here — I want to see you”.

✅ The correct answer is option B.
Groovy, baby! Lava lamps, which were a fixture in every hip pad in the 1960s and 70s, featured a mixture of water and colored oil that created swirl patterns when heated by a light bulb.

✅ The correct answer is option B.

✅ The correct answer is option A.
British inventor Frank Whittle was the first to patent his design for a jet engine in 1930. Although an engine designed by Dr. Hans Von Ohain was the first to fly in 1939. Whittle’s jet engine first flew in 1941.

✅ The correct answer is option B.
Matzeliger never benefited financially from his inventions. He died in 1889 at the age of 37 from tuberculosis.