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. ______

Answer 1

Answer:

1. True

2. False

3. True

4. True

5. False

Answer 2

Answer:

1) True

2) False

3) True

4) True

5) False