Grade 11 : Physics - Thermal Properties (Set 1)

Which law of thermodynamics provides the fundamental basis for the definition and measurement of temperature?

Convert a temperature reading of $35^\circ\text{C}$ on the Celsius scale to the absolute Kelvin scale.

At what temperature do the Celsius and Fahrenheit temperature scales display the exact same numerical value?

A brass rod with initial length 2.0 m is heated such that its temperature increases by $50^\circ\text{C}$. If the coefficient of linear expansion of brass is $\alpha = 2.0 \times 10^{-5}\text{ K}^{-1}$, calculate the increase in length $\Delta L$.

For an isotropic solid material, what is the ratio of the coefficient of linear expansion ($\alpha$) to the coefficient of volume expansion ($\gamma$)?

How much thermal energy is required to raise the temperature of 0.5 kg of liquid water ($c = 4200\text{ J kg}^{-1}\text{K}^{-1}$) from $20^\circ\text{C}$ to $60^\circ\text{C}$?

At what temperature does pure liquid water reach its maximum mass density at standard atmospheric pressure?

Calculate the quantity of heat required to melt 0.2 kg of ice completely at $0^\circ\text{C}$. (Latent heat of fusion of ice $L_f = 3.33 \times 10^5\text{ J kg}^{-1}$)

Find the thermal heat capacity of an aluminum block having a mass of 4.0 kg, given that the specific heat capacity of aluminum is $900\text{ J kg}^{-1}\text{K}^{-1}$.

What is the correct SI unit for thermal conductivity ($K$)?

A metal rod of thermal conductivity $200\text{ W m}^{-1}\text{K}^{-1}$, cross-sectional area $0.01m^2$, and length 0.5 m has its ends maintained at $100^\circ\text{C}$ and $20^\circ\text{C}$. Calculate the rate of conduction heat flow ($H$).

Thermal resistance ($R$) of a conductor of length $L$, cross-sectional area $A$, and thermal conductivity $K$ is represented by which formula?

According to Newton's Law of Cooling, the rate of loss of heat from a body is directly proportional to:

According to Wien's Displacement Law, how does the peak wavelength $\lambda_m$ of maximum radiation emission vary with absolute temperature $T$?

If a black body emits peak radiation at wavelength $\lambda_m = 1.0\, \mum$ ($1.0 \times 10^{-6}m$) at temperature 2900 K, calculate the value of Wien's constant $b$.

If the absolute temperature of a black body is doubled, by what factor does its total emissive power increase according to Stefan-Boltzmann Law?

The fundamental principle of calorimetry ("Heat lost = Heat gained") is a direct expression of which conservation law?

What is the standard value of the triple point of water on the Kelvin scale?

Which mode of heat transfer can take place through a vacuum without requiring any physical material medium?

A steel rod of Young's modulus $Y = 2.0 \times 10^{11}\text{ N m}^{-2}$ and linear expansion coefficient $\alpha = 1.2 \times 10^{-5}\text{ K}^{-1}$ is fixed between two rigid supports. If its temperature is raised by $10^\circ\text{C}$, what thermal stress is induced in the rod?