Physics Inventions — Set 5
Inventions · भौतिकी के आविष्कार · Questions 41–50 of 70
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1
Which inventor developed the first mechanical computer, the 'Difference Engine'?
2
The first modern fountain pen was patented by?
3
Who is the inventor of the microphone used in early telephones?
4
The parachute was first successfully demonstrated in a jump from a hot air balloon by?
5
Who invented the first portable battery-powered hearing aid?
6
The first solar cell was created by which inventor in 1883?
7
Who invented the first practical submarine intended for war, called the 'Nautilus'?
8
The first microwave oven was invented accidentally by which engineer?
9
Who is credited with the invention of the electric stove in 1892?
10
The inventor of the first world-famous diesel engine was?