NEET Physics High-Yield Formula Sheet
1. Mechanics & Motion
- Kinematic Equations: $v = u + at$, $s = ut + \frac{1}{2}at^2$, $v^2 = u^2 + 2as$
- Work, Energy & Power: $W = \vec{F} \cdot \vec{d} = Fd\cos\theta$, $P = \vec{F} \cdot \vec{v}$
- Gravitation: $F = G\frac{m_1 m_2}{r^2}$, Escape Velocity: $v_e = \sqrt{2gR} \approx 11.2\text{ km/s}$
2. Optics
- Mirror Formula: $\frac{1}{f} = \frac{1}{v} + \frac{1}{u}$
- Lens Formula: $\frac{1}{f} = \frac{1}{v} - \frac{1}{u}$
- Lens Maker Formula: $\frac{1}{f} = (\mu - 1)\left(\frac{1}{R_1} - \frac{1}{R_2}\right)$
3. Modern Physics
- Photoelectric Effect: $E = h\nu = W_0 + K_{\max} = h\nu_0 + eV_0$
- De Broglie Wavelength: $\lambda = \frac{h}{p} = \frac{h}{mv} = \frac{h}{\sqrt{2mE}}$
- Radioactivity: $N(t) = N_0 e^{-\lambda t}$, Half-life $T_{1/2} = \frac{0.693}{\lambda}$