BioPhysics Lecture - Heat and Thermal Properties

This set covers temperature measurement, thermal expansion types and formulas, heat transfer mechanisms (conduction, convection, radiation), and specific heat calculations based on the lecture notes.

Heat stops transferring between bodies when __________ is reached.

thermal equilibrium

The formula for the Platinum thermometer relates resistance and temperature as __________.

$$R = R_0 (1 + \alpha \Delta T)$$

The General Thermometer Equation used to calculate temperature based on a property $X$ is __________.

$$T = \frac{X - X_0}{X_{100} - X_0} \times 100$$

The three types of thermal expansion are longitudinal, area, and __________.

Volume

The relationship between the linear expansion coefficient ($\alpha$) and the volume expansion coefficient ($\gamma$) is __________.

$$\gamma = 3\alpha$$

The unit for the thermal expansion coefficient is __________.

$$^{\circ}C^{-1}$$

For a material to expand uniformly in all dimensions, it must be a __________ material.

Homogenous

The amount of energy needed to raise the temperature of $1\,g$ of water by $1^{\circ}C$ is defined as a __________.

Calorie

The heat required for a phase change without a change in temperature is called __________.

Latent heat

In a thermostat comprising steel and brass, the metal __________ must have a higher thermal expansion coefficient.

Brass

The method of measuring the specific heat of a solid body described in the notes is the __________.

mixing method

The three methods of heat transfer are conduction, convection, and __________.

Radiation

Heat transfer in solids occurs primarily through __________.

Conduction

The rate of heat transfer by conduction is given by the formula __________.

$$H = -K \cdot A \cdot \frac{\Delta T}{L}$$

An ideal body that absorbs all incoming light and redistributes it is known as a __________.

Black body

For an ideal Black body, the emissivity ($\epsilon$) is equal to __________.

$$1$$

The Stefan-Boltzmann constant ($\sigma$) used in radiation calculations is __________.

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