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Punjab (PTB) · Half book test (board pattern) · Free

9th Class Physics Second half Book Paper

60 marks · Objective 15 minutes, subjective 1 hour 45 minutes · 39 questions. Covers: 4 chapters (CHAP 6: Mechanical Properties of Matter to CHAP 9: Nature of Science).

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9th Class Physics Second half Book Paper

9th Class · Physics · Punjab (PTB)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 60Time: Objective 15 minutes, subjective 1 hour 45 minutes

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

  1. What is the pressure of Sun's center?

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

    1. Biology

    2. Chemistry

    3. Geology

    4. Physics

  5. The pressure exerted by a man on the surface of earth will be smaller when he:

    1. Stands on both feet

    2. Sits on the ground

    3. Stands on one leg

    4. Sleeps on the ground

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

    1. 210

    2. 213

    3. 121

    4. 212

  7. 1000 years ago, the Greeks a rock called ......:

    1. Magnetic

    2. Lode stone

    3. Materials

    4. Iron

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

    1. Theory

    2. Law

    3. Experiment

    4. Prediction

  9. The materials are elastic up to a certain limit known as:

    1. Deforming force

    2. Extension

    3. Elastic limit

    4. None of these

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

    1. Linear motion

    2. Random motion

    3. Vibratory motion

    4. Rotatory motion

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

    1. Cobalt

    2. Alnico

    3. Ferrite

    4. All of these

  12. Laser is widely used in:

    1. Diagnosis of diseases

    2. Metallurgy

    3. Industry

    4. All of the above

Q2. Short questions (Attempt any 5 of 8 · 5 × 2 = 10)

  1. Why is the cutting edge of the knife made very thin?

  2. What does determine the direction of heat flow?

  3. Why sports boots have studs on their soles? Explain.

  4. Why pressure and resistance are thermodynamic properties.

  5. Describe the measurement of pressure by manometer?

  6. What are thermometric properties?

  7. Why Matter is found in different states?

  8. Define centigrade scale.

Q3. Short questions (Attempt any 5 of 8 · 5 × 2 = 10)

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

  2. What is magnetic rely?

  3. List the main steps of scientific method.

  4. What are magnetic domains?

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

  6. Define electromagnet.

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

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

Q4. Short questions (Attempt any 5 of 8 · 5 × 2 = 10)

  1. Which type of magnetic field is formed by a current-carrying long coil?

  2. Define force multiplier?

  3. Write the scope of physics.

  4. Define the kinetic molecular theory in the gas.

  5. What is ferromagnetic materials?

  6. What is barometer?

  7. Is the theory of science an ultimate truth? Describe briefly.

  8. What makes the scale reading of a thermometer accurate?

Q5. Long questions (Attempt any 2 of 3 · 2 × 9 = 18)

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

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

  3. What will be the height of the column in barometer at sea level if mercury is replaced by water of density 1000 kg m-3, where density of mercury is 13.6 x 103 kg m-3.