Physics Inventions — Set 6
Inventions · भौतिकी के आविष्कार · Questions 51–60 of 70
✓0✗0
0/10
1
Who invented the mercury-in-glass thermometer?
2
The first practical telephone was patented by?
3
Who is credited with the invention of the barometer?
4
The discovery of X-rays was made by which physicist in 1895?
5
Who invented the first successful airplane?
6
The invention of the lightning rod is attributed to?
7
Who invented the first alternating current (AC) electricity system?
8
The first practical mechanical television was demonstrated by?
9
Who invented the first steam engine for practical use?
10
The inventor of the dynamite was?