Matter Properties
The density of metal spoon when its weight in air is 0.48 N and in water is 0.42 N is
1000 kg m-3
4000 kg m-3
6000 kg m-3
8000 kg m-3
8000 kg m-3
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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. forceรarea
The density of air in the atmosphere is
A. uniform
B. not uniform
C. zero
D. none of above
If the length of wire is 1 m and cross-sectional area 5ร10-5ย mยฒ, when the wire stretched through 1 mm by a force of 10,000 N. The Young’s modulus of the wire would be
A. 2ร105ย Nm-2
B. 2ร109ย Nm-2
C. 2ร108ย Nm-2
D. 2ร1011ย Nm-2
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
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