9th Class Physics Chapter 7 TestThermal Properties of Matter

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. Gases and liquids are categorized as:

   1. Liquids

   2. Gases

   3. Fluids

   4. Solids

2. In Fahrenheit scale the upper fix point label as.......:

   1. 210

   2. 213

   3. 121

   4. 212

3. What type of motion is of the molecules in a gas?

   1. Linear motion

   2. Random motion

   3. Vibratory motion

   4. Rotatory motion

4. Which state of matter has particles that are highly compressible and can fill any container?

   1. Solid

   2. Liquid

   3. Gas

   4. Plasma

5. Which of the following has a specific volume and a specific shape?

   1. Solid

   2. Liquid

   3. Gases

   4. Plasma

6. In Celsius scale the fixed point divided hundred equal parts each part is known as......:

   1. 1 °K

   2. 2°C

   3. 1°C

   4. 4°k

7. In the case of liquid the molecule direction:

   1. Random

   2. Linear

   3. Circular

   4. Simple

8. Absolute temperature scale are used for measurement:

   1. Physical measurement

   2. Basic measurement

   3. Scientific measurement 

   4. Both B and C

9. What is the name for the intensity of an object's heat or cold?

   1. Heat

   2. Thermal energy

   3. Temperature

   4. Kinetic energy

10. The internal energy of air inside a hot -air balloon increases as the temperature........:

    1. Decrease

    2. Low

    3. Increase

    4. High