Question

20
8. Which of the following devices is used to measure liquid pressure?
(a) Manometer
(b) Thermometer
(c) Speedometer
(d) Barometer
from the sea level.
9. The atmosphere extends upwards up to about
(a) 300 m
(b) 3000 m
(c) 300 km
(d) 3000 km
10. The instrument used to measure the atmospheric pressure is
(a) thermometer
(b) manometer
(c) odometer
(d) barometer​

Answer 1

Answer:

8- Manometer

9- don't know

10- barometer