The contraction of the objects on cooling is due to the………..
a) increase in inner particle distance
b) decrease in inner particle distance
c) reduction in size of the particles
d) increase in size of the particle
When ice melts and water reaches at 4oC, its density:
a) increases
b) decreases
c) decreases 4 times
d) remains the same
An empty steel container is sealed and heated, which of the following properties of the gas present in this container increases?
a) Mass
b) Pressure
c) Volume
d) Density
The expansion in length due to heating is called
a) linear expansion
b) volumetric expansion
c) both a and b
d) none of these
The expansion in volume is called…………
a) linear expansion
b) volumetric expansion
c) both a and b
d) none of these
An instrument used measuring temperature, is called a………….
a) ammeter
b) thermometer
c) geometers
d) all of these
