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Punjab (PTB) · Quarter book test · Free

9th Class Physics 3rd Quarter Book Paper

40 marks · 1 hour · 28 questions. Covers: CHAP 7: Thermal Properties of Matter, CHAP 8: Magnetism, CHAP 9: Nature of Science.

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9th Class Physics 3rd Quarter Book Paper

9th Class · Physics · Punjab (PTB)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 40Time: 1 hour

Q1. Multiple choice questions (Attempt all · 12 × 1 = 12)

  1. Which brach of science plays vital role in technology and engineering?

    1. Biology

    2. Chemistry

    3. Geology

    4. Physics

  2. Gases and liquids are categorized as:

    1. Liquids

    2. Gases

    3. Fluids

    4. Solids

  3. Which of the following is non-diamagnetic material?

    1. Cobalt

    2. Copper

    3. Bismuth

    4. Water

  4. A statement that can be tested and potentially disproven in scientific method is called:

    1. Theory

    2. Law

    3. Experiment

    4. Prediction

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

    1. 210

    2. 213

    3. 121

    4. 212

  6. 1000 years ago, the Greeks a rock called ......:

    1. Magnetic

    2. Lode stone

    3. Materials

    4. Iron

  7. Laser is widely used in:

    1. Diagnosis of diseases

    2. Metallurgy

    3. Industry

    4. All of the above

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

    1. Linear motion

    2. Random motion

    3. Vibratory motion

    4. Rotatory motion

  9. Which of the following is example of permanent magnetic material?

    1. Cobalt

    2. Alnico

    3. Ferrite

    4. All of these

  10. The integration field that combines physics, biology, and chemistry is called:

    1. Biophysics

    2. Cosmology

    3. Medical Physics

    4. Astrophysical Physics

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

    1. Solid

    2. Liquid

    3. Gas

    4. Plasma

  12. Which of the following recording technologies uses magnets to store data:

    1. Compact disk

    2. Digital vasa tile

    3. Magnetic tape

    4. None

Q2. Short questions (Attempt any 8 of 12 · 8 × 2 = 16)

  1. What does determine the direction of heat flow?

  2. What is magnetic rely?

  3. Do you think that the existing laws of nature may need a change in future? Describe briefly.

  4. Why pressure and resistance are thermodynamic properties.

  5. What are magnetic domains?

  6. List the main steps of scientific method.

  7. What are thermometric properties?

  8. Define electromagnet.

  9. Describe when the theory is rejected or need its modification.

  10. Define centigrade scale.

  11. Two bar magnets are stored in a wooden box. Label the poles of the magnets and identify P and Q object.

  12. Distinguish between a theory and a law of physics.

Q3. Long questions (Attempt any 3 of 4 · 3 × 4 = 12)

  1. What is scientific method? Describe its main steps with examples.

  2. What is temperature? How is it measured? Describe briefly the construction of a mercury-in-glass thermometer.

  3. How can you identify whether an object is a magnet or a magnetic material?

  4. Discuss the concept of space and time.