Early Methods to Measure Time
Trending Questions
Q.
What is a simple pendulum? Mention its uses.
Q.
Why bar pendulum is called a compound pendulum?
Q. A pendulum of length 28cm oscillates such that its string makes an angle of 30^° from the vertical when it is at one of the extreme positions. Find the ratio of the distance to displacement of the bob of the pendulum when it moves from one extreme position to the other.
Q.
Why Pendulum is not used for measuring time.
Q. ntA simple pendulum behaves as a seconds pendulum and its length is 10 cm.The place , where the pendulum is placed , isn ntmount everestn ntmoonn ntmarsn ntsunn
Q. Sundial is a device that measures _____.
- distance
- temperature
- volume
- time
Q.
Which of the following is/are not true about sundials?
They works based on the position of the Sun.
They are not very accurate but fairly correct.
They have more accuracy at night.
The accuracy of sundial is slightly better on cloudy days.
Q. Which of the following were the earliest methods of calculating time?
- Sundial
- Pendulum clock
- Hourglass
- Wall clock
