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Physics

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Measurements and Experimentation (Vernier Callipers, Screw Gauge)

Subtopic

Measurements and Experimentation (Vernier Callipers, Screw Gauge) under Physics for Grade 9 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of these instruments offers the highest precision for measuring length among the four?

    A.

    Screw Gauge

    B.

    Vernier Calliper

    C.

    Meter Rule

    D.

    Plastic Ruler

  2. 2.

    What is the reading on the circular scale of a screw gauge if the 25th division coincides with the reference line?

    A.

    25

    B.

    0.25

    C.

    2.5

    D.

    0.025

  3. 3.

    In a Vernier Calliper, if nn divisions of the Vernier scale coincide with (n−1)(n-1) divisions of the main scale, the least count is:

    A.

    1 MSDn\frac{1 \text{ MSD}}{n}

    B.

    n1 MSD\frac{n}{1 \text{ MSD}}

    C.

    n×1 MSDn \times 1 \text{ MSD}

    D.

    (n−1)×1 MSD(n-1) \times 1 \text{ MSD}

Download the worksheet for Physics - Measurements and Experimentation (Vernier Callipers, Screw Gauge) to practice offline. It includes additional chapter-level practice questions.

Motion in One Dimension (Scalar/Vector, Speed, Velocity, Acceleration)

Subtopic

Motion in One Dimension (Scalar/Vector, Speed, Velocity, Acceleration) under Physics for Grade 9 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which of the following stays constant in uniform motion along a straight line?

    A.

    Velocity

    B.

    Acceleration

    C.

    Displacement

    D.

    Time

  2. 2.

    What is the speed of an object moving at 36 km/h36 \text{ km/h} expressed in m/sm/s?

    A.

    5 m/s5 \text{ m/s}

    B.

    10 m/s10 \text{ m/s}

    C.

    15 m/s15 \text{ m/s}

    D.

    20 m/s20 \text{ m/s}

  3. 3.

    Which of the following describes a scalar quantity?

    A.

    5 m5 \text{ m} North

    B.

    10 kg10 \text{ kg}

    C.

    20 m/s20 \text{ m/s} East

    D.

    50 N50 \text{ N} Downward

Download the worksheet for Physics - Motion in One Dimension (Scalar/Vector, Speed, Velocity, Acceleration) to practice offline. It includes additional chapter-level practice questions.

Laws of Motion (Newton's Laws, Inertia, Gravitation)

Subtopic

Laws of Motion (Newton's Laws, Inertia, Gravitation) under Physics for Grade 9 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    A body of mass 10 kg10 \text{ kg} is taken to the Moon. Its mass on the Moon will be:

    A.

    1.6 kg1.6 \text{ kg}

    B.

    60 kg60 \text{ kg}

    C.

    10 kg10 \text{ kg}

    D.

    0 kg0 \text{ kg}

  2. 2.

    In the absence of air resistance, all falling bodies have the same:

    A.

    Weight

    B.

    Acceleration

    C.

    Momentum

    D.

    Force

  3. 3.

    Which of the following is the correct unit of acceleration?

    A.

    m/sm/s

    B.

    m⋅sm \cdot s

    C.

    m/s2m/s^2

    D.

    kg⋅m/skg \cdot m/s

Download the worksheet for Physics - Laws of Motion (Newton's Laws, Inertia, Gravitation) to practice offline. It includes additional chapter-level practice questions.

Fluids (Thrust, Pressure, Archimedes' Principle, Floatation)

Subtopic

Fluids (Thrust, Pressure, Archimedes' Principle, Floatation) under Physics for Grade 9 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    If the density of a body is equal to the density of the liquid, the body will:

    A.

    Float just below the surface

    B.

    Sink to the bottom

    C.

    Stay on top of the surface

    D.

    Bounce back

  2. 2.

    According to the Law of Floatation, a floating body displaces a weight of liquid:

    A.

    Equal to its own weight

    B.

    Less than its own weight

    C.

    More than its own weight

    D.

    Zero

  3. 3.

    The unit 'Atmosphere' (atmatm) is used to measure:

    A.

    Pressure

    B.

    Temperature

    C.

    Humidity

    D.

    Wind speed

Download the worksheet for Physics - Fluids (Thrust, Pressure, Archimedes' Principle, Floatation) to practice offline. It includes additional chapter-level practice questions.

Heat and Energy (Temperature, Anomalous Expansion, Energy Sources)

Subtopic

Heat and Energy (Temperature, Anomalous Expansion, Energy Sources) under Physics for Grade 9 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The device used to convert light energy into electrical energy is a:

    A.

    Electric motor

    B.

    Solar cell

    C.

    Dynamo

    D.

    Battery

  2. 2.

    What is the freezing point of water on the Kelvin scale?

    A.

    0K0 K

    B.

    100K100 K

    C.

    273K273 K

    D.

    373K373 K

  3. 3.

    Which fuel is primarily used in traditional cookstoves in rural areas?

    A.

    Uranium

    B.

    LPG

    C.

    Firewood

    D.

    Petrol

Download the worksheet for Physics - Heat and Energy (Temperature, Anomalous Expansion, Energy Sources) to practice offline. It includes additional chapter-level practice questions.

Light (Reflection, Spherical Mirrors)

Subtopic

Light (Reflection, Spherical Mirrors) under Physics for Grade 9 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    If you stand 2 m2 \text{ m} away from a plane mirror, what is the distance between you and your image?

    A.

    2 m2 \text{ m}

    B.

    1 m1 \text{ m}

    C.

    4 m4 \text{ m}

    D.

    0 m0 \text{ m}

  2. 2.

    When light reflects from a smooth, polished surface like a still pond, it is called:

    A.

    Regular reflection

    B.

    Irregular reflection

    C.

    Diffused reflection

    D.

    Refraction

  3. 3.

    Which mirror is used in searchlights and headlights of vehicles?

    A.

    Convex mirror

    B.

    Plane mirror

    C.

    Concave mirror

    D.

    Cylindrical mirror

Download the worksheet for Physics - Light (Reflection, Spherical Mirrors) to practice offline. It includes additional chapter-level practice questions.

Sound (Production, Propagation, Infrasonic, Ultrasonic)

Subtopic

Sound (Production, Propagation, Infrasonic, Ultrasonic) under Physics for Grade 9 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Why is the flash of lightning seen before the sound of thunder is heard?

    A.

    Light travels much faster than sound

    B.

    Sound travels much faster than light

    C.

    Thunder is produced after lightning

    D.

    Our eyes are more sensitive than ears

  2. 2.

    The physical quantity that is carried by a sound wave from the source to the listener is:

    A.

    Mass

    B.

    Matter

    C.

    Energy

    D.

    Velocity

  3. 3.

    Which of the following can hear infrasonic sounds?

    A.

    Humans

    B.

    Whales

    C.

    Bats

    D.

    Birds

Download the worksheet for Physics - Sound (Production, Propagation, Infrasonic, Ultrasonic) to practice offline. It includes additional chapter-level practice questions.

Electricity and Magnetism (Static Electricity, Current, Simple Circuits, Magnetic Field)

Subtopic

Electricity and Magnetism (Static Electricity, Current, Simple Circuits, Magnetic Field) under Physics for Grade 9 ICSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The concept of 'Lightning Conductors' was introduced to protect buildings from:

    A.

    Rain

    B.

    Static discharge from clouds

    C.

    Earthquakes

    D.

    Magnetic storms

  2. 2.

    If 2 C2\text{ C} of charge flows through a wire in 1 second1\text{ second}, the current is:

    A.

    1 A

    B.

    2 A

    C.

    0.5 A

    D.

    4 A

  3. 3.

    Which of the following is used to store magnets to prevent them from losing their magnetism?

    A.

    Magnetic holders

    B.

    Magnetic keepers

    C.

    Iron boxes

    D.

    Rubber pads

Download the worksheet for Physics - Electricity and Magnetism (Static Electricity, Current, Simple Circuits, Magnetic Field) to practice offline. It includes additional chapter-level practice questions.

Physics - ICSE Class 9 Science Notes & Revision | Krit.club