NCERT Class 9 Notes- Download Subject wise Free PDF Notes

Irshad AnwarUpdated on 29 Sep 2025, 06:53 PM IST

Class 9 is one of the most important years in a student’s life, and having clear notes makes a big difference during preparation. The NCERT Class 9 Notes are made to help students revise faster, understand better, and stay stress-free before exams. Each chapter is explained in a simple way with short points, diagrams, and key highlights so that they can cover more in less time. These NCERT notes are useful whether you're doing daily study or preparing for school exams.

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Subject-Wise NCERT Class 9 Notes
Benefits of NCERT Class 9 Notes
Subject-Wise Class 9 NCERT Solutions

NCERT Class 9 Notes - Download Subject Wise PDF Notes

NCERT Class 9 Notes- Download Subject wise Free PDF Notes

Studying with these Class 9 NCERT Notes builds a strong foundation for higher classes. From quick definitions to concept clarity, these notes are made to support students throughout the year and especially during the last days before exams. The topics are arranged properly according to the NCERT book so that nothing is missed, and they can follow each concept step by step without getting confused.

Subject-Wise NCERT Class 9 Notes

All the chapters in the Maths and Science subjects are well-explained in the notes in a step-by-step manner, with diagrams, equations, and formulas provided by our subject experts after thorough research. The Class 9 NCERT Notes PDFs can be downloaded and used offline. These notes are very helpful for students preparing for the board exam and other competitive exams. Careers360 provides detailed notes for Mathematics and Science (Physics, Biology, and Chemistry).

NCERT Notes for Class 9 Maths

These notes are a helpful resource for students to revise important concepts, formulas, and theorems from the chapters, such as Number systems, Polynomials, Linear equations, Lines and angles, etc., in less time for their exam with better retention. After going through the textbook, students are advised to read from the notes, as in this way, solving problems and applying concepts and formulas in exams becomes easier and more interesting. By regularly referring to these Class 9 NCERT Notes, students can build a strong foundation in mathematics, improve their speed and accuracy, and boost their confidence to solve the toughest questions easily.

NCERT Notes for Class 9 Science

Students who are trying to cover all the important concepts from the syllabus in an easy-to-understand way, these notes are perfect. They explain all important topics from Physics, Chemistry, and Biology, in simple language, along with real-life examples provided by our subject experts after thorough research. Regular use of these Class 9 NCERT Notes not only strengthens the concepts of scientific principles but also increases their ability to apply this knowledge in exams. They are the best material for increasing the level of preparation and clearing doubts before exams.

Given below are the links to access the notes of Maths and Science:

Download, revise, and save time

Benefits of NCERT Class 9 Notes

In the 9th class, students will get more complex concepts that require focused study and practice. Having organized and easy-to-understand study material can make learning faster.

Class 9 NCERT Notes explain all important concepts in a simple and easy-to-understand language, making learning quicker.
Well-labeled diagrams and flow charts are added to improve visual learning.
Important formulas, definitions, and important points are summarized for fast revision before exams.
The Class 9 NCERT Notes PDFs allow students to study at their own pace, reducing stress and improving retention.
They serve as a reliable resource for both board exams and competitive exam preparation, making sure that no important topic is missed.

Also, read Subject-wise NCERT Exemplar Solutions

Subject-Wise Class 9 NCERT Solutions

Students sometimes need step-by-step answers to solve questions and understand concepts clearly. For this, having access to detailed solutions for each chapter can make learning easier and help build confidence while practicing problems. NCERT Solutions for Class 9 Maths and Science include 12 chapters each, which students can refer to for a thorough understanding and better retention. Along with the solutions, exemplars can be used to practice different types of questions and strengthen problem-solving skills.

Frequently Asked Questions (FAQs)

Q: Can I find a solution to NCERT questions in NCERT notes provided here?

NCERT notes focus on explaining the important concepts of each chapter clearly. They do not provide solutions to the questions given in the NCERT textbook, so students need to refer to separate solutions for practice.

Q: List the subjects which are covered in class 9 NCERT notes?

The NCERT Class 9 Notes cover Mathematics and Science subjects. They provide clear explanations, step-by-step solutions, and important diagrams to help students understand concepts quickly and effectively.

Q: Are notes important for class 9?

Class 9 NCERT Notes are helpful for quick revision of important concepts and formulas for better retention just before the exam.

Q: Can I completely rely on NCERT notes for Examination ?

No, NCERT notes are the short version of the concepts, which include mostly important aspects of the syllabus. These are recommended for revision purposes, as before the examination, time is limited, so a crisp version of the notes is needed for quick revision.

Q: Do 9th class marks matter?

While 9th-grade marks might not directly affect your future career path, they do matter in several ways. They can influence your academic foundation, build confidence, and impact your mindset towards studying.

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Popular Questions

A block of mass 0.50 kg is moving with a speed of 2.00 ms^-1 on a smooth surface. It strikes another mass of 1.00 kg and then they move together as a single body. The energy loss during the collision is

Option 1) $0.34\; J$	Option 2) $0.16\; J$
Option 3) $1.00\; J$	Option 4) $0.67\; J$

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A person trying to lose weight by burning fat lifts a mass of 10 kg upto a height of 1 m 1000 times. Assume that the potential energy lost each time he lowers the mass is dissipated. How much fat will he use up considering the work done only when the weight is lifted up ? Fat supplies 3.8×10⁷J of energy per kg which is converted to mechanical energy with a 20% efficiency rate. Take g = 9.8 ms⁻² :

Option 1)

2.45×10⁻³ kg

Option 2)

6.45×10⁻³ kg

Option 3)

9.89×10⁻³ kg

Option 4)

12.89×10⁻³ kg

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An athlete in the olympic games covers a distance of 100 m in 10 s. His kinetic energy can be estimated to be in the range

Option 1) $2,000 \; J - 5,000\; J$	Option 2) $200 \, \, J - 500 \, \, J$
Option 3) $2\times 10^{5}J-3\times 10^{5}J$	Option 4) $20,000 \, \, J - 50,000 \, \, J$

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A particle is projected at 60⁰ to the horizontal with a kinetic energy $K$ . The kinetic energy at the highest point

Option 1) $K/2\,$	Option 2) $\; K\;$
Option 3) $zero\;$	Option 4) $K/4$

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In the reaction,

$2Al_{(s)}+6HCL_{(aq)}\rightarrow 2Al^{3+}\, _{(aq)}+6Cl^{-}\, _{(aq)}+3H_{2(g)}$

Option 1) $11.2\, L\, H_{2(g)}$ at STP is produced for every mole $HCL_{(aq)}$ consumed	Option 2) $6L\, HCl_{(aq)}$ is consumed for ever $3L\, H_{2(g)}$ produced
Option 3) $33.6 L\, H_{2(g)}$ is produced regardless of temperature and pressure for every mole Al that reacts	Option 4) $67.2\, L\, H_{2(g)}$ at STP is produced for every mole Al that reacts .

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How many moles of magnesium phosphate, $Mg_{3}(PO_{4})_{2}$ will contain 0.25 mole of oxygen atoms?

Option 1) 0.02	Option 2) 3.125 × 10^-2
Option 3) 1.25 × 10^-2	Option 4) 2.5 × 10^-2

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If we consider that 1/6, in place of 1/12, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of a substance will

Option 1) decrease twice	Option 2) increase two fold
Option 3) remain unchanged	Option 4) be a function of the molecular mass of the substance.

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With increase of temperature, which of these changes?

Option 1) Molality	Option 2) Weight fraction of solute
Option 3) Fraction of solute present in water	Option 4) Mole fraction.

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Number of atoms in 558.5 gram Fe (at. wt.of Fe = 55.85 g mol^-1) is

Option 1) twice that in 60 g carbon	Option 2) 6.023 × 10²²
Option 3) half that in 8 g He	Option 4) 558.5 × 6.023 × 10²³

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A pulley of radius 2 m is rotated about its axis by a force F = (20t - 5t²) newton (where t is measured in seconds) applied tangentially. If the moment of inertia of the pulley about its axis of rotation is 10 kg m² , the number of rotations made by the pulley before its direction of motion if reversed, is