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

9th Class Physics Full Book Paper

60 marks · Objective 15 minutes, subjective 1 hour 45 minutes · 39 questions. Covers: 9 chapters (CHAP 1: Physical Quantities and Measurements to CHAP 9: Nature of Science).

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9th Class Physics Full 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. Which brach of science plays vital role in technology and engineering?

    1. Biology

    2. Chemistry

    3. Geology

    4. Physics

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

  3. Which of the following is a contact force?

    1. Gravitational force

    2. Magnetic force

    3. Normal force

    4. Electrostatic force

  4. Gases and liquids are categorized as:

    1. Liquids

    2. Gases

    3. Fluids

    4. Solids

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

    1. Cobalt

    2. Copper

    3. Bismuth

    4. Water

  6. A girl walks 3 km towards west and 4 km towards south. What is the magnitude of her total distance and displacement respectively?

    1. 7 km, 7 km

    2. 1km, 7 km

    3. 7km, 1km

    4. 7km, 5km

  7. Resources of energy which are replaced by new ones after their use are called:

    1. Non-renewable energy

    2. Renewable energy sources

    3. Natural energy sources

    4. Fossil fuels

  8. A spanner 25 cm long is used to open a nut. If a force of 400 N is applied at the end of a spanner what is the torque acting on the nut:

    1. 98 Nm

    2. 100 Nm

    3. 150 Nm

    4. 1600 Nm

  9. Least count of micrometer screw gauge:

    1. 1 mm

    2. 0.01 mm

    3. 0.1 mm

    4. None

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

    1. Theory

    2. Law

    3. Experiment

    4. Prediction

  11. 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

  12. Sir Isaac Newton was born in Lincolnshire on:

    1. April 4, 1643

    2. March 4, 1643

    3. February 4, 1643

    4. January 4, 1643

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

  1. Define momentum. Write its unit.

  2. What does the gradient of a distance-time graph represent?

  3. Solve the following:

  4. Inflatable air bags are installed in the vehicles as safety equipment. In terms of momentum, what is the advantage of air bags over seat belts? 

  5. Define kinematics.

  6. Define systematic error?

  7. Write an advantage of electronic balance over mechanical balance.

  8. Speed of a car is 72kmh-1 Convert this speed in ms-1.

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

  1. What is resolution of force?

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

  3. Define sewage

  4. Define momentum of a force. Prove that, where is angle between r and F.

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

  6. A car is moving along a curved road at constant speed. Does its kinetic energy change?

  7. A ripe mango does not normally fall from the tree. But when the branch of the tree is shaken, the mango falls down easily. Can you tell the reason?

  8. Describe the measurement of pressure by manometer?

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

  1. What is magnetic rely?

  2. What does determine the direction of heat flow?

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

  4. What are magnetic domains?

  5. Why pressure and resistance are thermodynamic properties.

  6. List the main steps of scientific method.

  7. Define electromagnet.

  8. What are thermometric properties?

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

  1. How the stability of an object can be improved? Give a few examples to support your answer.

  2. Explain the term rolling friction briefly.

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