NCERT Solutions for Class 12 Maths Chapter 8 Application of Integrals gives step-by-step answers for every question in the NCERT textbook. The solutions PDF matches the latest CBSE rationalised syllabus for 2026-27. 

This page lists every exercise of Application of Integrals with a one-line summary and a direct link to the solutions PDF, plus chapter concepts, weightage, and a revision plan.

  • Exercises covered: 2 exercises (Exercise 8.1 through Miscellaneous Exercise)
  • Chapter weightage: approximately 5 marks on the 80-mark CBSE Class 12 Maths theory paper
  • Unit context: Calculus unit (35 marks combined)
  • Exam alignment: CBSE Class 12 Maths (80 marks), JEE Main (1-2 questions typical), CUET-UG Mathematics

Every exercise in this Collegedunia Class 12 Maths Chapter 8 Application of Integrals NCERT Solutions compilation is curated by subject experts, mapped to the 2026-27 rationalised NCERT, and refined against the last five years of CBSE Board and JEE Main papers.

Application Of Integrals Class 12 Maths NCERT Solutions

About Class 12 Maths Chapter 8 Application of Integrals

Class 12 Maths Chapter 8 Application of Integrals sits inside the Calculus unit and focuses on the area under a curve, the area between two curves, and the integration setup for both. The chapter splits into 2 exercises - the numbered exercises walk through a single technique each, while the Miscellaneous exercise combines techniques across exercises and matches the 5-mark CBSE board paper format.

Application of Integrals Video Walkthrough

Source: Magnet Brains on YouTube

How will Collegedunia's NCERT Solutions for Class 12 Maths Chapter 8 Application of Integrals Help You?

  • 2026-27 NCERT alignment: every question matches the rationalised syllabus, with deleted-content flagged inline.
  • Step-by-step working: each solution shows the formula used, the substitution step, and the simplification, the structure CBSE markers reward.
  • Two-tab format: a short Solution with the minimum steps, plus an Expert's Solution with the JEE Main-style alternative method.
  • Exercise-wise navigation: jump to any exercise below and download just that exercise's PDF, in Normal and HD resolution.

Class 12 Maths Chapter 8 Application of Integrals: All Exercises

Every exercise of Class 12 Maths Chapter 8 Application of Integrals, with a one-line description of the techniques each exercise tests and a direct link to the worked solutions PDF. Attempt the exercises in NCERT order on your first pass; for revision, prioritise the Miscellaneous exercise because it mixes techniques across exercises.

ExerciseSolutions PDFWhat it covers
Exercise 8.1Application of Integrals Exercise 8.1 NCERT Solutions13 questions on finding the area under a curve enclosed by the x-axis, y-axis, or specified vertical lines; standard area-by-integration setup.
Miscellaneous ExerciseApplication of Integrals Miscellaneous Exercise NCERT Solutions19 mixed problems on areas bounded by two or more curves; setting up the integral by identifying intersection points and the upper/lower function on each sub-interval.

Concepts Covered in Class 12 Maths Chapter 8 Application of Integrals

The exercise index above maps each exercise back to these concepts.

  • Area Under a Curve: Integral from a to b of f(x) dx gives the signed area between the curve y = f(x) and the x-axis on [a, b]. Take the absolute value when the curve dips below the axis.
  • Area Between Two Curves: Find intersection points; on each sub-interval identify which function is on top; integrate (upper minus lower) on that sub-interval.
  • Standard Region Setups: Area enclosed by a parabola and its axis; area between a circle and a chord; area between two parabolas - the standard CBSE board paper questions.
  • Vertical vs Horizontal Strips: Most CBSE questions use vertical strips (integrating with respect to x); horizontal strips (integrating with respect to y) become useful when the curves are easier to express as x = g(y).

Class 12 Maths Chapter 8 Application of Integrals Weightage and Exam Relevance

Chapter 8 Application of Integrals carries approximately 5 marks on the 80-mark CBSE Class 12 Maths theory paper, inside the Calculus unit which carries 35 marks combined.

ExamWeightage / question countWhat it tests
CBSE Class 12 Maths Theory Paper5 marksLong-answer questions from the Miscellaneous exercise plus 3-mark and 4-mark questions from the numbered exercises.
JEE Main Mathematics1-2 questions typicallyMCQs and numerical-answer-type problems applying the chapter's techniques to harder problem variants.
CUET-UG Mathematics2-3 MCQs typicallyDirect-application MCQs testing the formulae and standard problem types covered in the back-exercise.

Other Resources for Class 12 Maths Chapter 8 Application of Integrals

Pair these Solutions with the concept layer (Notes), the recall layer (Formula Sheet), and the source text (NCERT Book PDF) for the complete chapter toolkit.

ResourceLinkWhat it gives you
NCERT Solutions Open Application of Integrals Solutions Step-by-step answers for every exercise of Application of Integrals (this page).
NotesOpen Application of Integrals NotesConcept-level revision summary for Application of Integrals with formula boxes, derivation walkthroughs, and exam-day quick recall.
Formula SheetOpen Application of Integrals Formula SheetEvery formula and standard result from Application of Integrals on a compact 2-column reference for last-day revision.
Handwritten NotesOpen Application of Integrals Handwritten NotesNotebook-style scanned-look notes for Application of Integrals with hand-drawn formula boxes and worked examples.
NCERT Book PDFOpen Application of Integrals NCERT Book PDFThe official 2026-27 NCERT chapter PDF for Application of Integrals - source text plus the in-chapter examples.
Exemplar SolutionsOpen Application of Integrals Exemplar SolutionsWorked solutions to every MCQ, MCQ-II, VSA, SA, and LA problem in the NCERT Exemplar Application of Integrals chapter.
Exemplar Book PDFOpen Application of Integrals Exemplar Book PDFThe official NCERT Exemplar Problems chapter for Application of Integrals - the harder problem set beyond the back-exercise.

Exam-Prep Tips for Class 12 Maths Chapter 8 Application of Integrals

These tips come from CBSE Class 12 Maths toppers who scored above 90 on the theory paper, calibrated to Application of Integrals.

  • Attempt every numbered exercise in NCERT order. Skipping ahead to the Miscellaneous exercise without locking down the numbered ones is the biggest revision mistake.
  • Annotate each question with the technique used. Write the formula name in the margin. This halves your second-pass revision time.
  • The Miscellaneous exercise mirrors the CBSE 5-mark slot. Re-attempt it once in your first pass and once in the final two-week revision window.

How to Use the Class 12 Maths Chapter 8 Application of Integrals NCERT Solutions Most Effectively

  • 1 month before the boards: attempt every exercise in order. Verify each working against the Solutions PDF above and mark questions that took more than 7 minutes.
  • 2 weeks before the boards: re-attempt the marked-difficult questions and the entire Miscellaneous exercise.
  • 1 week before the boards: revisit the formulae and common-mistake callouts. Pair with the Class 12 Maths Formula Sheet for last-day recall.

Common Mistakes Students Make in Class 12 Maths Chapter 8 Application of Integrals

  • Forgetting to take the absolute value when the curve dips below the x-axis; signed area can be negative.
  • Identifying the wrong upper-and-lower function on an area-between-two-curves question; sketch the region before integrating.
  • Skipping the intersection points calculation; you need them to set the limits of integration.
  • Using vertical strips when horizontal strips would be cleaner; pick based on which one keeps the upper-lower function constant on the integration interval.

Student Feedback: What 16,420 Class 12 Maths Students Told Us

  • Average attempt time: students reported 5 to 8 hours per exercise on the first pass, with the Miscellaneous exercise taking the most time.
  • Most-marked-difficult exercise: the longest numbered exercise plus the Miscellaneous; both reward a second pass before the boards.
  • Toppers who attempted the Miscellaneous exercise twice added 3-5 marks on this unit's CBSE theory paper questions.
Source: 2026-27 Class 12 Maths Collegedunia student poll. Sample of 16,420 students from CBSE schools across 24 states, conducted before the 2026 boards.

Also Check: Related Class 12 Maths Resources

Class 12 Maths Chapter 8 Application of Integrals NCERT Solutions FAQs

Ques. Where can I download the Class 12 Maths Chapter 8 Application of Integrals NCERT Solutions PDF?

Ans. Every exercise-wise Class 12 Maths Chapter 8 Application of Integrals NCERT Solutions PDF is downloadable directly from the exercise index above. The chapter includes 2 exercises in total (Exercise 8.1 through Miscellaneous Exercise); each links to its own free downloadable solutions PDF in both Normal and HD resolutions.

Ques. How many exercises are there in Class 12 Maths Chapter 8 Application of Integrals?

Ans. Class 12 Maths Chapter 8 Application of Integrals has 2 exercises: Exercise 8.1, Miscellaneous Exercise. The exercise index table above lists each exercise with a short description of what it covers and a link to the worked solutions PDF.

Ques. Are these Class 12 Maths Chapter 8 Application of Integrals solutions aligned with the 2026-27 NCERT?

Ans. Yes. Every exercise solution reflects the current 2026-27 rationalised NCERT for Class 12 Maths Chapter 8 Application of Integrals. Where NCERT rationalised content out of the older edition, the affected questions carry an inline callout flagging the change.

Ques. What is the CBSE board weightage of Class 12 Maths Chapter 8 Application of Integrals?

Ans. Chapter 8 Application of Integrals carries approximately 5 marks on the CBSE Class 12 Maths theory paper, sitting inside the Calculus unit which carries 35 marks in total. JEE Main typically asks 1-2 questions from this chapter.

Ques. Which exercise of Class 12 Maths Chapter 8 Application of Integrals is the hardest?

Ans. The Miscellaneous Exercise typically combines techniques from every earlier exercise and matches the 5-mark CBSE board paper format, making it the hardest single exercise. The longer numbered exercises (with more than 15 questions) are the second-hardest. The exercise descriptions in the index table above flag the techniques each exercise tests.