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NCERT Class 9 Notes - Download Subject Wise PDF Notes

NCERT Class 9 Notes - Download Subject Wise PDF Notes

Edited By Irshad Anwar | Updated on May 01, 2025 01:38 PM IST

NCERT class 9 notes are important in building a strong foundation for higher classes and other competitive exams. The chapters and topics involved in this class will be explored more in classes 10 and 11, with more complex and difficult topics, which is why students must read and understand each of the contents most easily and effectively as possible. CBSE notes for Class 9 include all the crucial topics in simple language, easy to read, and along with all the required diagrams that make the students grasp difficult topics with ease, without any further help.

NCERT Class 9 Notes - Download Subject Wise PDF Notes
NCERT Class 9 Notes - Download Subject Wise PDF Notes

After going through the notes, to increase the understanding and deepen the knowledge, students are advised to go through the NCERT Solutions, which include the solved exercises of the related chapter, which make the concepts more clear, and make students familiar with the question pattern. This helps the students to gain confidence in answering the questions effectively and to score better marks in the exam.

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Subject-Wise CBSE Class 9 Notes

These notes are designed 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 all subjects:

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:

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 in deepening the knowledge and increasing the 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 even in offline mode.

  • 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 covers all chapters of PCMB(Physics, Chemistry, Maths, Biology)

  • Class 9 NCERT notes PDF can be used anywhere as they are handy.

Also, read Subject-wise NCERT Exemplar Solutions

Frequently Asked Questions (FAQs)

1. List the subjects which are covered in class 9 NCERT notes?

The NCERT notes for class 9 cover Mathematics and Science.

2. What is the importance of Class 9th NCERT notes ?

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

3. 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.

4. 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.

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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

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 3.8×107 J 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

 

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

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

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 .

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

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.

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.

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

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

Option 1)

less than 3

Option 2)

more than 3 but less than 6

Option 3)

more than 6 but less than 9

Option 4)

more than 9

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