Question

V1. True or false :
1. Wrist watches use the principle of pendulum. 2. Measurement is a process of comparison.
3. Occurrence of day and night is a periodic event.
4. Pendulum docks and electronic watches were used by early men.
5. In sundials, the shadows of trees help us to measure the time.
6. Stop-watches are used in sports events.
7. 1000 years constitute a century.
8. Sand-glasses are still in common use.​

Answer 1

Answer:

1,2,3,6 are true and all are false

Answer 2

Answer:

r Olly Jack six Shiraz do pacific Princ