Physics 9 Chapter 7 - Properties of Matter - 14

Physics 9 Chapter 7 - Properties of Matter - 14

1. At a height of 30 km, what is the atmospheric pressure?

a) 1 Pa
b) 10 Pa
c) 100 Pa
d) 1000 Pa

2. What should be the approximate length of glass tube to construct a water barometer?

a) 1 m
b) 0.5 m
c) 11 m
d) 2.5 m

3. What is the atmospheric pressure at an altitude when there is no air?

a) 10 Pa
b) 1000 Pa
c) 100 Pa
d) 0 Pa

4. In which direction, pressure of a liquid is exerted?

a) Towards south-east
b) All directions
c) Towards north-east
d) Towards north-west

5. Which of the following change in atmospheric pressure indicates a windy and shower condition?

a) A sudden fall in atmospheric pressure
b) Major increase in atmospheric pressure
c) A rapid increase in atmospheric pressure
d) Minor but rapid fall in atmospheric pressure

6. Which of the following change in atmospheric pressure indicates a storm, rain ad typhoon?

a) A sudden fall in atmospheric pressure
b) Major increase in atmospheric pressure
c) A rapid increase in atmospheric pressure
d) Minor but rapid fall in atmospheric pressure

7. What is measured by pressure sensor?

a) Pressure
b) Volume
c) Mass
d) Density

8. Which of the following change in atmospheric pressure predicts an intense condition?

a) A sudden fall in atmospheric pressure
b) A rapid increase in atmospheric pressure
c) Minor but rapid fall in atmospheric pressure
d) An increasing atmospheric pressure

9. Which of the following change in atmospheric pressure predicts a long spell of pleasant weather?

a) Minor but rapid fall in atmospheric pressure
b) A gradual increase in atmospheric pressure
c) A sudden fall in atmospheric pressure
d) A rapid increase in atmospheric pressure

10. Which of the following law states that: “Pressure applied at any point of a liquid enclosed in a container, is transmitted without loss to all other parts of the liquid”?

a) Ohm’s law
b) Joule’s law
c) Newton’s law
d) Pascal’s law

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