Pre-Test Bengkel Persediaan Peperiksaan Akhir DBS10012

Define Temperature

• Is a form of energy

• Is the degree of hotness and coldness

• Is the amount of heat required to raise its temperature by 1 degree celcius

What is the SI unit of temperature

• Celcius

• Fahrenheit

• Kelvin

Name the process of heat transfer that matches the following statement:

Heat transfers between substances that are in direct contact with each other.

Name the process of heat transfer that matches the following statement:

Warmer areas of a liquid or gas rise to cooler areas in the liquid or gas.

Name the process of heat transfer that matches the following statement:

Heat transfer by electromagnetic waves.

Calculate the heat quantity needed to raise up 25 N of water from 25 °C tp 37 °C.

(Given Specific heat capacity of water is 4200 Jkg^-1 °C^-1 .

• 12 J

• 2.55 J

• 128520 J

• 168500 J