Matter Properties
If the length of wire is 1 m and cross-sectional area 5×10-5 m², when the wire stretched through 1 mm by a force of 10,000 N. The Young’s modulus of the wire would be
2×105 Nm-2
2×109 Nm-2
2×108 Nm-2
2×1011 Nm-2
2×1011 Nm-2
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Pressure is aA. vector quantity
B. scalar quantity
C. base quantity
D. all of above
If stress produces a change in the length of an object then the strain is termed as
A. zero strain
B. constant strain
C. former strain
D. tensile strain
The formula we use to find stress is
A. area/force
B. force/area
C. force + area
D. force×area
The density of air in the atmosphere is
A. uniform
B. not uniform
C. zero
D. none of above
The density of water is
A. 100 kgm-3
B. 10 kgm-3
C. 1000 kgm-3
D. 2000 kgm-3
The highly conducting state of matter is
A. plasma
B. solid
C. liquid
D. gas
As the depth of the sensor varies the liquid pressure
A. does not change
B. varies accordingly
C. increases
D. decreases
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