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Online Tests
Physics 9th Class English Medium Unit 7 Online Test MCQs With Answers
Question # 1
Which thermometer is most suitable for recording rapidly varying temperture.
Choose an answer
Alcohol in glass thermometer
Thermocouple thermometer
Mercury in glass laboratory thermometer
Mercury in glass clinical thermometer
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Question # 2
When an ideal gas is expanded keeping its temperatur econsitant, its internal energy
Choose an answer
Increases
Remains the same
Decreases
Cannot be determined
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Question # 3
Heat is the
Choose an answer
The energy in transit
Total kinetic energy of the molecules
The internal energy
Work done by the olecules
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Question # 4
In which of the materials, particles have only vibrational motion.
Choose an answer
Liquids
Solid
Plasma
Gas
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Question # 5
The temperature which has the same value on Celcius and Fahrenheit scale is.
Choose an answer
-45
+40
-40
+45
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Question # 6
Which thermometer uses voltage to measrue temperature of a hot body.
Choose an answer
Thermocouple
Resistance thermometer
Liquid in glass thermometer
Gas thermometer
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Question # 7
A thermometer has a narrow capillary tube so that it.
Choose an answer
Gives alarge chagne for a given temperture rise
Quickly responds to temperature changes
Can read the maximum temperature
Can measure a large range of temperature.
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Question # 8
One disadvantage of using alcohol in a liquid in glass therometer.
Choose an answer
It wets the glass tube
It has large expansivity
It has low freezign point (-112 oC)
Its expansion is linear
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Question # 9
Which state of matter has particles that are highly compressible and can fill any container.
Choose an answer
Plasma
Solid
Gas
Liquid
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Question # 10
Water is not a used as a thermometric liquid mainly due to.
Choose an answer
Non linear expansion
Clourless
Low boiling point (100 oC)
A bad conductor of heat
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Question # 11
Which one is a better choice for a liquid in glass thermometer is that.
Choose an answer
Wets glass
Is colourless
Is a bad conductor
Expand linearly
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Question # 12
In Kelvin scale, the temperature corresponding to melting point of ice is
Choose an answer
+273
-273
32
Zero
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