State whether the following are true or false. 1. Sun dial and sand clock were used in ancient time. ______ 2. Cubit, handspan a

Question

State whether the following are true or false.
1. Sun dial and sand clock were used in ancient time. ______
2. Cubit, handspan and foot span are standard units of measurement. ______
3. Pendulum clock repeats its motion at equal intervals of time. ______
4. In digital clocks, mechanical vibrations are converted into digital electronic signals. ______
5. Sundials can also be used on rainy days.

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Minh Khuê 5 years 2021-08-28T14:03:45+00:00 1 Answers 27 views 0

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    2021-08-28T14:05:21+00:00

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