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Physics 9 Chapter 8 - Thermal Properties of Matter -2
1.
If you place a cup of hot tea in a room, then what happened next?
a) Hot tea gets more hot
b) No effect on hot tea
c) Is evaporated
d) Hot tea cools down
2.
If you place a cup of hot water in a room, then what happened next?
a) Is evaporated
b) Hot tea gets more hot
c) No effect on hot tea
d) Hot tea cools down
3.
Which of the following tells us the direction of flow of heat?
a) Stethoscope
b) Temperature
c) Optical fibre
d) Endoscope
4.
What is the form of energy called that is transferred from a hot body towards a cold body?
a) Heat
b) Sound
c) Light
d) None of these
5.
What is the art of measuring temperature called?
a) Stethoscopy
b) Thermometry
c) Thermodynamics
d) Heat
6.
Which of the following flower is called natural thermometer?
a) Mustard flower
b) Crocus flower
c) Rose flower
d) Brassica Campestris
7.
Water freezes at.................?
a) 0
o
F
b) 0 K
c) 32
o
F
d) -273 K
8.
Which of the following is correct about crocus flower?
a) It is called natural thermometer
b) It closes when temperature is 23
o
C
c) It opens when temperature is 26
o
C
d) It is natural endoscope
9.
Which of the following flower opens when temperature is 23
o
C?
a) Crocus flower
b) Mustard flower
c) Brassica Campestris
d) Rose flower
10.
What is the energy called that is transferred from one body top the other in thermal contact with each other as a result of difference of temperature between them?
a) Light
b) Heat
c) Sound
d) Waves
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