Physics MCQs for Class 9 with Answers
Newton per meter square is a unit of:
Pressure
Stress
Both A and B
Force
The force exerted perpendicularly on unit of area of an object is called:& nbsp
strain
(‘radio-button-click-target’, “young’s modulus”)
pressure
buoyant force
1 litre is equal to:
102 m3
10-3 m3
103m3
106m3
According to hook’s law stress is directly proportional to :
Area
Volume
Strain
Force
Pressure is quantity:
Scalar
Vector
Constnat
Dependent
Einstein mass energy equation is:
E = mc
E = m2 c
E = mc2
E2 = mc
Liquid pressure at depth h is:
p/gh
h/pg
pgh
i/pgh
Barometer was first set up by:
Robert
Torricelli
Al Razi
Nil
If force will be applied on smaller area, pressure will become:
Much less
Zero
More
Less
Mercury is denser than water by time:
13,6
10
15
20
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