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Physics 9 Chapter 8 - Thermal Properties of Matter -4
1.
Upon which of the following factors, internal energy of a body depends?
a) Light energy of a body
b) Length of body
c) Potential energies of molecules
d) Heat energy of a body
2.
Which of the following type of energy of an atom or molecule is due to its motion which depends upon the temperature?
a) Kinetic energy
b) Potential energy
c) In transit energy
d) Transit energy
3.
Which of the following type of energy of an atom or molecule is the stored energy due to intermolecular forces?
a) Transit energy
b) In transit energy
c) Potential energy
d) Kinetic energy
4.
What is the device called that is used to measure the temperature of a body?
a) Endoscope
b) Thermometer
c) Optical fibre
d) Stethoscope
5.
Which of the following is measured by the thermometer?
a) Temperature
b) Light energy
c) SONAR ranging
d) Sound energy
6.
What are the substances called that show a change with temperature?
a) Thermetron material
b) Thermometric materials
c) Transit material
d) Metric materials
7.
Which of the following changes can occur to substances due to changes in heat?
a) Some substances expand on heating
b) Some change their colours
c) All of these
d) Some change their electric resistance
8.
Liquids can be used as......................?
a) Transit material
b) Thermometric materials
c) Metric materials
d) Thermetron material
9.
Which of the following properties should be present in thermometric liquids?
a) It should have a high freezing point
b) It should have wet glass
c) It should be visible
d) It should have a low boiling point
10.
Nearly all the substances ...................on heating?
a) Contract
b) Explode
c) Collapse
d) Expand
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