NCERT Class 9 Notes- Download Subject wise Free PDF Notes

Irshad AnwarUpdated on 11 Jul 2025, 11:08 AM IST

Class 12 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 12 Notes are made to help you 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 you can cover more in less time. These NCERT notes are useful whether you're doing daily study or quick revision.

NCERT Class 9 Notes - Download Subject Wise PDF Notes

NCERT Class 9 Notes- Download Subject wise Free PDF Notes

Studying with these Class 9 notes can work well for board exams and entrance exams like NEET. The topics are arranged properly so that nothing is missed, and students can follow them step by step. From quick definitions to concept clarity, these notes are made to support you throughout the year and especially during the last days before exams.

Subject-Wise CBSE Class 9 Notes

These notes are designed according to the NCERT Syllabus in such a way that all the important topics are easily covered by the students to save their time. Careers360 provides detailed Class 9 NCERT notes PDF for Mathematics and Science (Physics, Biology, and Chemistry). All the chapters included in these subjects are well-explained, in a step-by-step manner, along with diagrams, equations, and formulas provided by our subject experts, by doing enough research. NCERT Class 9th notes can be downloaded and used offline. These are very helpful for students preparing for the CBSE Exam and any other competitive exams.

NCERT Notes for Class 9 Maths

These notes are a helpful resource for students to understand and grasp the key concepts clearly in less time. They allow 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 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 essential concepts from the syllabus in an easy-to-understand way, and in less time, 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 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 the Class 9 notes PDF download for Maths and Science:

Download, revise, and save time

Subject-Wise Class 9 Revision Notes

Class 9 Maths and Science Notes include 12 chapters each, which can be downloaded from the link provided above. Also, students can access NCERT solutions for class 9 mathematics and science for a more detailed explanation of the topics and to solve questions. To practice the different varieties of questions, students can also refer to the Exemplar to clear their concepts more easily and for better retention. The Class 9 revision notes provide a synopsis of all the NCERT chapters of CBSE Class 9 for revision in less time.

Students can also refer to the Subject-wise NCERT Class 9 Solutions

Benefits of NCERT Class 9 Notes

These notes can be used to understand the complex topics in less time.
CBSE notes for Class 9 help deepen knowledge and increase understanding of any topic.
Class 9 CBSE notes and previous year papers are very helpful for board exam preparation and other competitive examinations.
The Class 9 NCERT notes PDF can be used in both offline and online modes.
Students would find these NCERT notes for Class 9 understandable as they are written in simple language, with step-by-step explanations.
These notes will lay a strong foundation for the concepts that will be helpful in further classes.
NCERT Class 9 Notes cover all chapters of the NCERT Book.
Class 9 NCERT notes PDF can be used anywhere as they are handy.

Also, read Subject-wise NCERT Exemplar Solutions

Frequently Asked Questions (FAQs)

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. Additionally, some educational systems and universities, especially those overseas, may consider 9th-grade marks for admissions or internal assessments.

Q: Are notes important for class 9?

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

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

NCERT notes only provide important concepts; it does not include Solutions to NCERT questions. However, you can find NCERT Solutions for class 9 Science and NCERT Solutions for class 9 Mathematics at careers360.com.

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

The NCERT notes for class 9 cover Mathematics and Science.

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. NCERT notes are recommended for revision purposes as before the examination, time is less, so a crisp version of the notes is needed for quick revision.

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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

Read Complete Answer

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