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Physics 9 Chapter 7 - Properties of Matter - 13
1.
What is the instrument called that measures atmospheric pressure?
a) Hydrometer
b) Barometer
c) Thermometer
d) Ammeter
2.
Which one of the following is the simplest barometer?
a) Neon barometer
b) Platinum barometer
c) Lead barometer
d) Mercury barometer
3.
What is the length of glass tube of mercury barometer?
a) 1 m
b) 0.1 cm
c) 1 cm
d) 10 cm
4.
With which out of the following, mercury barometer is filled?
a) Platinum
b) Mercury
c) Fluorescent
d) Neon
5.
What is the height of mercury column above the mercury in the trough at sea level?
a) 76 cm
b) 7.6 cm
c) 1.01 cm
d) 10 cm
6.
What is the pressure exerted by 76 cm of mercury column?
a) 1,300 Pa
b) 11,300 Pa
c) 10,300 Pa
d) 101,300 Pa
7.
What is the pressure exerted by 76 cm of mercury column?
a) 10,300 Nm
-2
b) 101,300 Nm
-2
c) 1,300 Nm
-2
d) 11,300 Nm
-2
8.
How many times mercury is denser than water?
a) 36 times
b) 6.3 times
c) 63 times
d) 3.6 times
9.
What would be the vertical height of water column at sea level?
a) 34.10 m
b) 10.34 m
c) 6.3 m
d) 3.6 m
10.
What should be the length of glass tube in the water barometer?
a) 1m
b) 8 m
c) 11 m
d) 5 m
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