Short answer: Use NCERT to learn the concept, one problem book for practice, and previous year NEET questions to test yourself. Finishing one book properly helps more than starting five.
Why one problem book is usually enough
Many students buy several problem books, solve the first few chapters of each and then drop them. The result is uneven practice and a lot of money spent. One well-chosen book, solved through all its chapters, builds a steadier base than scattered attempts across many.
Start every chapter with NCERT
Read the chapter and the worked examples in NCERT before you attempt problems. If you cannot explain a formula in your own words, attempting numericals will only lead to guessing. Write the formulas and their units on one page for each chapter, so you can revise quickly.
A practice routine that works
- Solve easier problems first to confirm the concept
- Move to mixed problems and attempt them without looking at the solution
- Mark questions you got wrong and redo them after a few days
- Keep a notebook of mistakes, especially unit and calculation errors
Use previous year questions as the test
After a chapter, attempt the NEET previous year questions from it. They show the level and style the exam actually uses, which is often more direct than the difficult problems in some practice books. See previous year questions and mock tests for NEET for how to include them in your routine.
Work on time as well as accuracy
NEET is an objective exam, so speed matters. Once your accuracy is stable, solve a set of questions against a timer, and check whether the slowest ones are calculation errors or concept doubts. Fix whichever it is before moving on.
Common errors in physics numericals
Many wrong answers come from small mistakes rather than difficult concepts: using the wrong unit, forgetting to convert centimetres to metres, mixing up vectors and scalars, or rounding too early. Write the given values with units at the start of each problem, and check the units of your final answer. A quick estimate also helps, because it shows when an answer is far from reasonable. Review these errors in your notebook every week, and you will see the same few mistakes repeating, which makes them easier to fix.
Buying sensibly
A problem book bought second hand is fine if its pages are not already filled in with answers. Look at second hand books, read the NCERT reading plan for NEET, and when you are done, sell your NEET books to help the next student.
Frequently asked questions
How many physics problem books do I need for NEET?
One well-chosen problem book, solved fully, along with NCERT and previous year questions, is enough for most students.
Should I buy a second hand physics problem book?
Yes, if the pages are not marked with answers and the edition suits the current syllabus. A book that is already solved is less useful for practice.
How do I improve my speed in NEET physics?
Solve timed sets once your accuracy is steady, and track whether delays come from concept doubts or from slow calculation.