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NEET Formula Sheet 2027 is an important revision material for the candidates appearing for the NEET UG exam. The sheet includes formulas for NEET Physics and Chemistry for chapters like Kinematics, Laws of Motion, Work, Energy and Power, Electrostatics, Current Electricity, Some Basic Concepts of Chemistry, Chemical Thermodynamics and Equilibrium. Candidates can make use of the NEET Formula Sheet PDF to revise important formulas and equations in order to enhance their speed in solving problems.
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Formula revision becomes an important aspect of NEET preparation, especially while solving numerical-based questions in Physics and Physical Chemistry. A good NEET 2027 Formula Sheet can assist candidates in remembering formulas of various chapters without revising the entire chapter in theory. Formula revision along with concept-based practice and NEET previous year questions will surely help candidates increase their speed of calculations.
This article has NEET Physics and Chemistry formulas chapter-wise as per the latest officially available NEET exam syllabus. Candidates can make use of formulas in order to revise and solve numerical questions for NEET preparation. In case the official NEET 2027 syllabus is updated by the concerned authority, candidates must follow the new NEET syllabus.
The important physics formulas for NEET based on the NEET exam trends observed in the previous years are provided here. The table consists of the highest-scoring concepts in the last 5 years, the number of times they appeared in NEET, and the years in which questions were based on these concepts. The physics NEET 2027 formula sheet is based on these high-scoring concepts.
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Let $i$ be the amount of current in the circuit at any time, and let $V_L$, $V_C$, and $V_R$ be the potential drops across $L$, $C$, and $R$, respectively.
$V_R = iR$ $\Rightarrow$ Voltage is in phase with $i$.
$V_L = i\omega L$ $\Rightarrow$ Voltage leads $i$ by $90^\circ$.
$V_C = \frac{i}{\omega C}$ $\Rightarrow$ Voltage lags $i$ by $90^\circ$.
By all these, we can draw a phasor diagram as shown below

So, from the above phasor diagram, $V$ will represent the resultant of vectors $V_R$ and $(V_L - V_C)$.
So, the equation becomes:
$V = \sqrt{V_R^2 + (V_L - V_C)^2}$
$= \sqrt{(iR)^2 + (X_L - X_C)^2}$
$= \sqrt{(iR)^2 + \left(\omega L - \frac{1}{\omega C}\right)^2}$
$= iZ$
where
$Z = \sqrt{R^2 + \left(\omega L - \frac{1}{\omega C}\right)^2}$
is called the impedance of the circuit.
Also,
$\tan\phi = \frac{V_L - V_C}{V_R}$
$= \frac{X_L - X_C}{R}$
$= \frac{\omega L - \frac{1}{\omega C}}{R}$.

As we know,
$a = -\omega^2 x$
General equation of SHM
1. For Displacement:
$x = A\sin(\omega t + \phi)$
where $\phi$ is the initial phase and $(\omega t + \phi)$ is called the phase.
Various displacement equations:
(1) $x = A\sin\omega t$ $\Rightarrow$ when the particle starts from the mean position towards right.
(2) $x = -A\sin\omega t$ $\Rightarrow$ when the particle starts from the mean position towards left.
(3) $x = A\cos\omega t$ $\Rightarrow$ when the particle starts from the right extreme position towards the mean position.
(4) $x = -A\cos\omega t$ $\Rightarrow$ when the particle starts from the left extreme position towards the mean position.
2. For Velocity ($v$):
$x = A\sin(\omega t + \phi)$
$\Rightarrow v = \frac{dx}{dt} = A\omega\cos(\omega t + \phi)$
$= A\omega\sin\left(\omega t + \phi + \frac{\pi}{2}\right)$
3. For Acceleration ($a$):
$x = A\sin(\omega t + \phi)$
$\Rightarrow v = \frac{dx}{dt} = A\omega\cos(\omega t + \phi)$
$= A\omega\sin\left(\omega t + \phi + \frac{\pi}{2}\right)$
$\Rightarrow a = \frac{dv}{dt} = -A\omega^2\sin(\omega t + \phi)$
$= A\omega^2\sin(\omega t + \phi + \pi)$
$= -\omega^2x$
So, the phase difference between $x$ and $v$ is $\frac{\pi}{2}$.
Similarly, the phase difference between $v$ and $a$ is $\frac{\pi}{2}$.
And, the phase difference between $a$ and $x$ is $\pi$.
Differential Equation of SHM:
$\frac{dv}{dt} = -\omega^2x$
$\Rightarrow \frac{d}{dt}\left(\frac{dx}{dt}\right) = -\omega^2x$
$\Rightarrow \frac{d^2x}{dt^2} + \omega^2x = 0$
If the motion of any particle satisfies this equation, then that particle performs Simple Harmonic Motion (SHM).
Based on the NEET 2027 exam pattern seen over the previous five years, we have assembled the important chemistry formulas for the NEET exam. The concepts that have scored the highest over the past five years, along with the number of times they have appeared and the years in which questions based on them have been asked, are listed in the table below. The NEET chemistry formula listed below is based on these high-scoring concepts:
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Aspirants can download the important NEET chemistry formula from the table given below:
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The ideal shapes of molecules, which are predicted based on electron pairs and lone pairs of electrons, are mentioned in the table below:

General Representation:
$A_xB_y \rightleftharpoons xA^+ + yB^-$
$K_{sp} = [A^+]^x[B^-]^y$
Relation between Solubility ($s$) and Solubility Product ($K_{sp}$):
$A_xB_y \rightleftharpoons xA^+ + yB^-$
If solubility is $s$, then $[A^+] = xs$ and $[B^-] = ys$.
Thus,
$K_{sp} = (xs)^x(ys)^y$
$= x^x y^y s^{x+y}$
The Gas Laws — Boyle’s Law (Pressure–Volume Relationship):
$P \propto \frac{1}{V}$
$\Rightarrow PV = k$ (at constant $T$)
Frequently Asked Questions (FAQs)
A NEET formula sheet helps candidates revise important Physics and Chemistry formulas quickly before the exam. It also saves time during revision and improves problem-solving speed.
Yes, these formulas will be helpful for the NEET 2027 exam as well. Since NEET 2027 follows the same NEET syllabus and exam pattern, the important Physics and Chemistry formulas remain relevant for preparation, revision, and practice.
Students should use the NEET formula sheet for daily revision, last-minute preparation, and quick recap before mock tests. It is also helpful for identifying frequently used formulas from high-weightage chapters.
Formulas are mainly important for Physics and Chemistry in NEET, especially for numerical and application-based questions. Biology has fewer direct formulas but includes important ratios, laws, and concepts in topics such as Genetics and Ecology.
On Question asked by student community
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