Physics 222 Midterm #2 Formulas and Symbols

Traditional vocabulary flashcards covering constants, material properties, and specific physical values from the Physics 222 Midterm #2 formula sheet.

Atomic mass unit ($u$) in standard mass units

$$1.66 \times 10^{-27}\,kg$$

Avogadro's number ($N_A$)

$$6.02 \times 10^{23}\,mol^{-1}$$

Specific Heat of liquid water

$$4.186\,J/(g \cdot K)$$

Specific Heat of ice

$$2.090\,J/(g \cdot K)$$

Heat of fusion ($L_f$) for water

$$334\,J/g$$

Heat of vaporization ($L_v$) for water

$$2265\,J/g$$

Ideal gas constant ($R$)

$$8.31\,J/(mol \cdot K)$$

Boltzmann constant ($k_B$)

$$1.38 \times 10^{-23}\,J/K$$

Adiabatic index ($\gamma$) for a monatomic gas

$$1.67$$

Adiabatic index ($\gamma$) for a diatomic gas

$$1.40$$

Stefan-Boltzmann constant ($\sigma$)

$$5.67 \times 10^{-8}\,W/(m^2 \cdot K^4)$$

Diatomic gas modes for $100 < T < 1000\,K$

5 modes

Diatomic gas modes for $T > 1000\,K$

7 modes

Index of refraction for water ($n_{water}$)

$$1.33$$

Index of refraction for diamond ($n_{diamond}$)

$$2.42$$

Speed of sound ($v_{sound}$) at $20^{\circ}C$

$$343\,m/s$$

Speed of light ($c$)

$$3.00 \times 10^8\,m/s$$

Typical healthy near point

$$0.25\,m$$

Typical healthy far point

$$\infty$$

Visible light range

$$400\,nm - 700\,nm$$

Audible hearing range

$$20\,Hz - 20\,kHz$$

Mass of electron in mass-energy units

$$0.511\,MeV/c^2$$

Mass of proton in atomic mass units

$$1.00728\,u$$

Mass of neutron in atomic mass units

$$1.00866\,u$$

Bohr radius ($a_B$)

$$5.292 \times 10^{-11}\,m$$

Planck's constant ($h$) in $eV \cdot s$

$$4.14 \times 10^{-15}\,eV \cdot s$$

Lorentz factor ($\gamma$)

$\frac{1}{\sqrt{1 - \beta^2}}$, where $\beta = v/c$

Rest energy ($E_0$)

$$mc^2$$