Unit 1 (Physics)

Physics Unit 1

Wave Equation

v = fλ

Frequency and Period Relation

f = 1/T

Snell’s Law

n₁sin(θ₁) = n₂sin(θ₂)

Critical Angle Formula

θ_c = sin^-1(n2/n1)

Refractive Index Formula

n = c/v

Refractive Index and Wave Speed Formula

n₁v₁ = n₂v₂

Specific Heat Formula

Q = mcΔT

Latent Heat Formula

Q = mL

Wien’s Law

λ_max = b/T

Radioactive Decay Formula

A = A₀(1/2)ⁿ

Number of Half-lives

n=t/t_1/2

Absorb Dose Formula

D = E_r/m

Effective Dose Formula

H = D × w_r

Equivalent Dose Formula

E = ∑(H × w_t)

Mass-Energy Equivalence Formula

E = mc²

Electrical Power Formula

P = E/t = VI

Ohm’s Law

V = IR

Electrical Charge Formula

Q = It

Electrical Energy Formula

E = V/t

Resistors in Series Formula

R_T = R₁ + R₂ + ⋯

Resisters in Parallel Formula

1/R_T = 1/R₁ + 1/R₂ + …

Voltage Divider Formula

V_out = V_in (R₁/(R₁ + R₂))

Parallel Symbol

||

Speed of light in a Vacuum

c = 3.00 × 10⁸ ms^-1

Electronvolt Value

1.6 ×

Magnitude of charge of an electron

1e = 1.60 × 10^-19 C

Pico Value (p)

10^-12

Nano Value (n)

10^-9

Micro Value (µ)

10^--6

Milli Value (m)

10^-3

Kilo Value (k)

10³

Mega Value (M)

10⁶

Giga Value (G)

10⁹

Tera Value (T)

10¹²