Physics Inventions — Set 2
Inventions · भौतिकी के आविष्कार · Questions 11–20 of 70
The first practical mechanical television was demonstrated by whom in 1926?
Who invented the jet engine independently in both the UK and Germany during the 1930s?
The safety elevator, which prevents the car from falling if the cable breaks, was invented by?
Who is credited with the invention of the dynamite, leading to the establishment of the Nobel Prizes?
The first successful photograph was taken by which inventor in 1826?
Who invented the first electric motor, which used electromagnetic rotation?
The sewing machine was revolutionized with the invention of the lockstitch by?
Who is the inventor of the mercury thermometer and the associated temperature scale?
The gramophone, which used flat discs to record sound, was invented by?
Who invented the first printing press with movable type in Europe around 1440?