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प्रश्न
Here are some items from our daily life. Who invented them? Match the invention to the inventor.
| Invention | Inventor |
|---|---|
| Computer mouse | Robert Adler |
| Microwave oven | Tim Berners-Lee |
| Compact disc | Johann Vaaler |
| Polyethylene terephthalate (PET) plastic | Douglas Engelbart |
| Zipper | Charles Goodyear |
| TV wireless remote | Lyda Newman |
| Band-Aid | Steve Jobs and Steve Wozniak |
| Telephone | Gideon Sundback |
| World Wide Web | Earle Dickson |
| Vulcanized rubber | James Russell |
| Paper clip | Percy Spencer |
| Personal computer | Levi Strauss |
| Blue jeans | Nathaniel Wyeth |
| Synthetic hairbrush | Alexander Graham Bell |
जोड़ियाँ मिलाइएँ
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उत्तर
| Invention | Inventor |
|---|---|
| Computer mouse | Douglas Engelbart |
| Microwave oven | Percy Spencer |
| Compact disc | James Russell |
| Polyethylene terephthalate (PET) plastic | Nathaniel Wyeth |
| Zipper | Gideon Sundback |
| TV wireless remote | Robert Adler |
| Band-Aid | Earle Dickson |
| Telephone | Alexander Graham Bell |
| World Wide Web | Tim Berners-Lee |
| Vulcanized rubber | Charles Goodyear |
| Paper clip | Johann Vaaler |
| Personal computer | Steve Jobs and Steve Wozniak |
| Blue jeans | Levi Strauss |
| Synthetic hairbrush | Lyda Newman |
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