Class 7 Exam > Class 7 Videos > Science Class 7 (Old NCERT) > Fun Video: Measurement of Time - History
Fun Video: Measurement of Time - History Video Lecture | Science Class 7 (Old NCERT)
FAQs on Fun Video: Measurement of Time - History Video Lecture - Science Class 7 (Old NCERT)
| 1. How did ancient civilizations measure time? |  |
Ans. Ancient civilizations used various methods to measure time, including sundials, water clocks, and hourglasses.
| 2. When was the concept of hours and minutes first introduced? | |
Ans. The concept of dividing the day into hours and minutes was first introduced by the ancient Egyptians around 1500 BC.
| 3. What is the significance of the invention of the mechanical clock in the measurement of time? | |
Ans. The invention of the mechanical clock in the 14th century greatly improved the accuracy and precision of time measurement, leading to standardized timekeeping.
| 4. How did the Industrial Revolution impact the measurement of time? | |
Ans. The Industrial Revolution led to the increased need for accurate timekeeping in factories and workplaces, which spurred the development of more advanced clocks and timekeeping devices.
| 5. What is the role of atomic clocks in modern timekeeping? | |
Ans. Atomic clocks are the most accurate timekeeping devices today, using the vibrations of atoms to measure time with extreme precision. They are used in various scientific, technological, and navigational applications.
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