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IGCSE O Level Physics Practice Test 34

# Thermal Properties MCQ (Multiple Choice Questions) PDF - 34

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The MCQs: Absorption or release of thermal energy changes; "Thermal Properties MCQ" App (Android & iOS) with answers: Internal energy of matter; External energy of matter; Both internal and external energy of matter; None of the energies; to study online certification courses. Practice Thermal Properties of Matter Questions and Answers, Google eBook to download free sample for best online colleges for teaching degree.

## Thermal Properties Questions and Answers : Quiz 34

MCQ 166:

The absorption or release of thermal energy changes the

1. external energy of matter
2. internal energy of matter
3. both internal and external energy of matter
4. none of the energies
MCQ 167:

The speed of the truck is 40 m s-1, after 10 seconds its speed decreases to 20 m s-1, its acceleration is

1. −1 m s-1
2. −2 m s-1
3. −4 m s-1
4. −5 m s-1
MCQ 168:

Assuming the heat capacity of a 10 g of water to be 42 J ⁄ K, the heat required to raise its temperature from 25 °C to 35 °C would be

1. 42 J
2. 420 J
3. 4200 J
4. None of the above
MCQ 169:

Energy is the

1. ability to do work
2. capacity of power
3. efficiency
4. input
MCQ 170:

The centigrade (Celsius) scale can be converted into Kelvin scale by the formula

1. Ω °C = Temperature in Kelvin + 273
2. Ω °C = Temperature in Kelvin - 273
3. Ω °C = Temperature in Fahrenheit + 273
4. Ω °C = Temperature in Fahrenheit - 273