Question

1. Select the correct option:
1. As one goes up the mountains, the air pressure
(a) increases
(b) decreases
(c) remains constant
(a) first increases and then decreases
2. Pressure depends upon
(a) force and area of cross-section
(b) temperature and area of cross-section
(C) volume and temperature
(d) none of these
3. The force exerted per unit area on the surface of the earth is called
(a) atmospheric pressure
(b) thrust
(c) temperature
(d) density
8
4. When a gas is compressed, its volume
(a) increases
(b) decreases
(c) remains the same
(d) none of these
5. Which of these is used to measure the liquid pressure?
(a) Barometer
(b) Physical balance
(C) Thermometer
(d) Manometer

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Answer 1

Answer:

1) decreases

2)force and area of cross-section

3) atmospheric pressure

4) decreases

5) Manometer

Answer 2

Answer:

1. (b) decreases
2. (a) force and area cross section
3. (a) atmospheric pressure
4. (b) decreases
5. (d) manometer