Phy – Quarter 3

SSC-I (9th) · Physics · Afaq Sun

Test your understanding of Mechanical Properties of Matter with 22 syllabus-aligned MCQs designed for SSC-I (9th) Afaq Sun students.

Use this short practice session to revise key concepts, identify weak areas, and prepare for your board examination.

Sample Questions

See what you’ll practice in this quiz.

What is the SI unit of stress?
The density of a material is defined as:
At sea level, the atmospheric pressure is approximately:

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What You’ll Practice

Chapter 6: Mechanical Properties of Matter Deformation of Solids: Elastic deformation, Plastic deformation, Stress and strain, Elastic limit | Hooke's Law: F = kx, Spring constant, Limit of proportionality, Applications | Density: Density formula, Units, Measurement of density, Floating and sinking | Pressure: P = F/A, Unit pascal, Effect of area, Everyday examples | Pressure in Liquids: P = h rho g, Dependence on depth, Equal in all directions, Applications (dams, divers) | Atmospheric Pressure: Cause and value, Variation with altitude, Effects and examples | Measurement of Atmospheric Pressure: Mercury barometer, Aneroid barometer, Height of mercury column, Altimeter | Measurement of Pressure by Manometer: U-tube manometer, Gauge pressure, Calculation from liquid levels | Pascal's Law: Statement of Pascal's law, Hydraulic press, Force multiplication, Hydraulic brakes and lifts
Chapter 7: Thermal Properties of Matter Kinetic Molecular Theory of Matter: Particle motion, Solids, liquids and gases, Gas pressure, Diffusion and Brownian motion | Temperature and Heat: Temperature, Heat, Difference between heat and temperature, Scales and conversions | Thermometers: Fixed points, Celsius, Fahrenheit and Kelvin scales, Clinical and digital thermometers, Liquid-in-glass thermometer | Sensitivity, Range and Linearity of Thermometers: Sensitivity, Range, Linearity, Choice of liquid | Structure of a Liquid-in-Glass Thermometer: Bulb, Capillary bore, Stem and scale, Design features

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SSC-I (9th) Physics Afaq Sun Series Chapter 6: Mechanical Properties of Matter

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Phy – Quarter 3

Ch 1

Chapter 2: Kinematics

Chapter 3: Dynamics – I

Chapter 4: Dynamics – II

Ch 5

Chapter 6: Work and Energy

Chapter 7: Density and Temperature

Chapter 8: Magnetism

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