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Physics 9 Chapter 7 - Properties of Matter - 19
1.
If an object sinks in the fluid, which of the following statement is true?
a) Up thrust is equal to the weight of the object
b) Up thrust is greater than the weight of the object
c) Up thrust is less than the weight of the object
d) The weight of the object is greater than the up thrust
2.
What happens if weight of an object is less than the up thrust acting on it?
a) Object remains in the middle of water
b) Object goes to the bottom
c) Object sinks
d) Object floats
3.
If an object floats on the fluid, which of the following statement is true?
a) The weight of the object is less than the up thrust
b) Up thrust is not equal to the weight of the object
c) Up thrust is greater than the weight of the object
d) Up thrust is less than the weight of the object
4.
What happens if weight of an object is equal to the up thrust acting on it?
a) Object sinks
b) Object remains in the middle of water
c) Object floats
d) Object goes to the bottom
5.
If an object floats on the fluid, which of the following statement is true?
a) Up thrust is not equal to the weight of the object
b) Up thrust is equal to the weight of the object
c) Up thrust is greater than the weight of the object
d) The weight of the object is less than the up thrust
6.
Which of the following principle states that: “A floating object displaces a fluid having weight equal to the weight of the object”?
a) Pascal’s principle
b) Archimedes principle
c) Principle of floatation
d) Ohm’s principle
7.
On which of the following, Archimedes principle is applicable?
a) Gases
b) Solids
c) All of these
d) Plasma
8.
On which of the following, Archimedes principle is applicable?
a) Liquids
b) Plasma
c) All of these
d) Solids
9.
On which of the following, Archimedes principle is not applicable?
a) None of these
b) Solids
c) Liquids
d) Gases
10.
What is the density of hydrogen?
a) 123.32kgm
-3
b) 0.09 kgm
-3
c) 9.20 kgm
-3
d) 13.600 kgm
-3
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