Question

EXERCISES
used to
A. Multiple Choice Questions:
1.
is the unit of measurement of quantity of heat.
and is
a. kelvin
b. joule
on and
C. Fahrenheit
d. Celsius
2. Clinical thermometer can be used to measure the temperature of -
ent of
a. Boiling water
b. Day
dium
c. Cities
d. Human body
3. Temperature of boiling water can be measured by -
on.
in a
a. Maximum and minimum thermometers
b. Laboratory thermometer
Cors
c. Digital thermometer
d. Both b. and c.
4. Two bodies are said to be in thermal equilibrium when the temperature difference between them
a. 1°C
b. 3°C
c. 2°C
d. 0°C
5. The method of heat transfer in a steel rod is by
a. Conduction
b. Convection
c. Radiation
d. None of these​

Answer 1

Answer:

1. b. joules

2. d. Human Body

3. b. Laboratory Thermometer

4. d. 0°C

5. a. Conduction

Explanation:

1. Joule is the SI unit of all forms of energy, heat is also a form of energy. Hence, its SI unit or the quantity through which it is measured is called joules (J).
2. Human body temperature is checked by the clinical thermometer because of its capability to detect little variations in temperature and is also measured in Fahrenheit (F°).
3. Laboratory thermometers are used to detect boiling points because of the need for precision.
4. Two bodies are said to be in equilibrium when there is no transfer of heat and this can only be possible when the temperature difference is zero.
5. The heat transfer in the steel rod occurs through the process called conduction. It is defined as heat transfer through matter, where collisions occur between atoms and molecules.

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