NEET Physics Important Questions (Most Expected) with Solutions – Download PDF

NEET Physics Most Expected Questions with Solutions (Based on Previous Year Trends)

Here are some important NEET physics questions for practise:

Q1. If a physical quantity is given by $P = \frac{a^3 b^2}{c \sqrt{d}}$, and the percentage errors in $a$, $b$, $c$, and $d$ are $1%$, $3%$, $2%$, and $4%$ respectively, what is the percentage error in $P$?

Options:
(1) $2%$
(2) $13%$
(3) $15%$
(4) $10%$

Correct Answer: (2) $13%$

Explanation:
Percentage error in $P$ is:
$ \frac{\Delta P}{P} = 3\frac{\Delta a}{a} + 2\frac{\Delta b}{b} + \frac{\Delta c}{c} + \frac{1}{2}\frac{\Delta d}{d} $
$ = 3(1) + 2(3) + 2 + \frac{1}{2}(4) = 13% $

Q2. Unpolarized light passes through a polarizer. A second polarizer is placed perpendicular to it, and a third polarizer is inserted between them at an angle of $22.5^\circ$. If the intensity after the first polarizer is $I_0$, what is the final transmitted intensity?

Options:
(1) $I_0/4$
(2) $I_0/8$
(3) $I_0/16$
(4) $I_0/2$

Correct Answer: (2) $I_0/8$

Explanation:
Using Malus law:
$I = I_0 \cos^2\theta \cos^2(90^\circ - \theta)$
$= I_0 \cos^2\theta \sin^2\theta = \frac{I_0}{4}\sin^2(2\theta)$
For $\theta = 22.5^\circ$,
$I = \frac{I_0}{8}$

Q 3. Two circular copper coils carry the same current of $2,\text{A}$. If the ratio of their radii is $1:2$, what is the ratio of their magnetic moments?

Options:
(1) $1:2$
(2) $2:1$
(3) $4:1$
(4) $1:4$

Correct Answer: (4) $1:4$

Explanation:
Magnetic moment $M = I \pi r^2$
$\Rightarrow M \propto r^2$
Ratio $= 1^2 : 2^2 = 1:4$

Q 4. A Vernier caliper is used to measure the diameter of a sphere. Given that $10$ vernier scale divisions coincide with $9$ main scale divisions, least count of main scale is $0.1,\text{cm}$, main scale reading is $5,\text{cm}$, the $8^{th}$ vernier division coincides, and the zero error is $+0.1,\text{cm}$, what is the corrected diameter?

Options:
(1) $5.08,\text{cm}$
(2) $4.98,\text{cm}$
(3) $5.00,\text{cm}$
(4) $5.18,\text{cm}$

Correct Answer: (2) $4.98,\text{cm}$

Explanation:
Least count $= 0.1 - 0.09 = 0.01,\text{cm}$
Observed reading $= 5 + 8 \times 0.01 = 5.08,\text{cm}$
Corrected reading $= 5.08 - 0.1 = 4.98,\text{cm}$

Q 5. A photon and an electron (of mass $m$) have the same energy $E$. What is the ratio of their de Broglie wavelengths $\left(\frac{\lambda_{\text{photon}}}{\lambda_{\text{electron}}}\right)$?

Options:
(1) $c\sqrt{2mE}$
(2) $c\sqrt{\frac{2m}{E}}$
(3) $\frac{1}{c}\sqrt{\frac{E}{2m}}$
(4) $\sqrt{\frac{E}{2m}}$

Correct Answer: (2) $c\sqrt{\frac{2m}{E}}$

Explanation:
Photon: $\lambda = \frac{hc}{E}$
Electron: $\lambda = \frac{h}{\sqrt{2mE}}$
Ratio: $\frac{\lambda_p}{\lambda_e} = c\sqrt{\frac{2m}{E}}$

NEET Physics Important Questions (Most Expected Numericals & PYQ-Based) - Download PDF

To make your preparation more structured and revision-friendly, we have compiled a PDF of NEET Physics previous year important questions with detailed solutions.

Most Important Chapters for NEET Physics 2026 (PYQ Analysis)

Based on the weightage data from recent NEET exams (2021–2025), the following top 5 chapters consistently contribute the highest number of questions:

• Current Electricity

• Electrostatic Potential and Capacitance

• Ray Optics and Optical Instruments

• Gravitation

• Semiconductor Electronics

Focus Strategy:

Prioritising these 5 chapters can help you cover a significant portion of the Physics paper and maximise your score with efficient preparation.

Common Mistakes Students Make While Solving NEET Physics PYQs

Even after studying all concepts, many NEET aspirants fail to score well in Physics due to avoidable mistakes during practice. Simply solving NEET previous year questions is not enough - the way you approach them makes all the difference.

If you want to improve accuracy, speed, and overall performance, it is important to identify and eliminate these common mistakes early in your preparation.

Avoid these if you want a higher score:

• Solving questions without revising important physics formulas

• Ignoring units and dimensions

• Not analysing wrong answers

• Jumping to mock tests without PYQ practice

• Over-relying on theory instead of numericals

Fixing these mistakes alone can improve your score by 20-30 marks.

Smart Strategy to Revise Physics Using NEET PYQs

Instead of random practice, follow this structured approach:

Step 1: Formula First

Revise all formulas of a chapter before solving PYQs.

Step 2: Solve Chapter-wise PYQs

Focus on understanding patterns rather than just answers.

Step 3: Identify Repeated Concepts

Mark concepts related to questions that are asked frequently.

Step 4: Create a Formula + Mistake Notebook

Revise it daily.

High-Scoring Tips for NEET Physics 2026

Scoring well in NEET Physics is not just about knowing concepts - it’s about important NEET question selection, time management, and accuracy under pressure. The following practical tips can help you maximise your marks during the exam:

1. Start with Formula-Based Questions

• Begin your paper by attempting direct formula-based questions. These are usually quick to solve and boost confidence early in the exam.

• Questions from topics like Current Electricity, Modern Physics, and Electrostatics are often formula-driven.

2. Attempt Easy Numericals First

• Scan the paper and identify straightforward numerical problems.

• Solving these first ensures you secure easy marks without wasting time on tricky questions.

• Avoid getting stuck on a single question - move ahead and come back later.

3. Avoid Lengthy Calculations in the First Round

• Skip questions that involve long or complex calculations in your first attempt.

• These can consume valuable time and increase the risk of mistakes.

• Attempt them only after completing all easy and moderate questions.

4. Use the Elimination Technique in MCQs

• Even if you are unsure about the correct answer, eliminate clearly incorrect options.

• This improves your probability of selecting the right answer.

• Many NEET Physics questions can be solved faster using logic and approximation rather than full calculation.

5. Always Double-Check Units and Final Answers

A common reason for losing marks is incorrect units or calculation errors. Always verify:

• Units (SI system)

• Significant figures (if applicable)

• Final numerical value