Zanfran
Sign inStart studying

NCERT · Class 9 & 10

A study workspace that
actually reads the textbook.

Zanfran AI retrieves the exact NCERT passages behind your question before it answers — then writes the explanation the way you learn best, based on the class, strengths and weak subjects you set up on day one.

Open the workspaceI already have an account
NCERT chapters
111

NCERT chapters

study modes
8

study modes

answers cited
100%

answers cited

Class 10 · Science · Ch 10Grounded

Why does a concave mirror form a real image?

Thought for 3s · read 4 passages

A concave mirror converges the reflected rays. When the object is beyond the focus, those rays actually meet in front of the mirror, so the image can be caught on a screen — that is what makes it real.

[1] Light — Reflection and Refraction · Image formation by spherical mirrors

Grounded in NCERT

Every answer is retrieved from the chapter you selected, with the exact section cited underneath.

Tuned to you

Your class, strong subjects and weak spots change how each explanation is written — not just what it says.

Built for revision

Turn a chapter into a summary, condensed notes or a set of definitions in one click.

Practice that sticks

Generate quizzes and flashcards from what you just read, then save them to your library.

How it works

Three steps between signing up and understanding the chapter.

  1. 01

    Tell us how you study

    A one-minute setup: your standard, the subjects you own, the ones that slip, and how much time you get each day.

  2. 02

    Pick a chapter

    Class, subject and chapter from the real NCERT books — the assistant stays inside that scope for the session.

  3. 03

    Ask, revise, practise

    Watch it search the chapter, read the passages and compose an answer you can trace back line by line.

Study modes

One chapter, eight ways to study it.

  • Ask Zanfran

    Open questions answered from your NCERT context.

  • Explain Simply

    Plain-language explanations at your class level.

  • Chapter Summary

    A structured summary of the selected chapter.

  • Revision Notes

    Condensed notes you can review before a test.

  • Quiz Me

    Multiple-choice practice with answers explained.

  • Flashcards

    Question and answer pairs for quick recall.

  • Exam Practice

    Board-style questions with model answers.

  • Doubt Solver

    Step-by-step help with a specific problem.

Plans

Start free. Move up when the exam gets close.

Free

₹0/mo

For trying it on your next chapter

  • Grounded chapter answers
  • Full NCERT library
  • Saved notes
Start free
Popular

Focus

₹199/mo

For steady weekly revision

  • Everything in Free
  • Unlimited quizzes & flashcards
  • Weak-subject drills
Choose Focus

Board

₹399/mo

For the exam term

  • Everything in Focus
  • Board-style exam packs
  • Chapter-wise progress
Choose Board

FAQ

Questions students ask first.

Where do the answers come from?
Passages are retrieved from the NCERT chapter you selected, and the assistant answers from those passages with the section cited underneath.
What happens after I sign up?
You answer a short set of questions about your standard, strengths, weak subjects, study time and plan. Every answer afterwards is written around those.
Does it replace my textbook?
No. It is a study aid. Anything you rely on for an exam should still be checked against your book and your teacher.

Start with your next chapter.

Set up your profile once — Zanfran keeps every answer in your class, your subjects and your pace.

Create a free account