This page covers Agniveer (All) Thermal Properties of Matter with complete concept notes, 18 graded practice MCQs, key points and exam-specific tips. Free to study.
18graded MCQs · easy to hard · full solution & trap analysis
The latent heat of fusion of ice is 3.36 × 10⁵ J/kg. How much heat is needed to melt 500 g of ice at 0°C?
The coefficient of volumetric expansion of a liquid is 5 × 10⁻⁴ /°C. What is the coefficient of linear expansion of the container if the apparent expansion remains zero when heated?
A metal rod of length 1 m at 0°C is heated to 100°C. If the coefficient of linear expansion is 12 × 10⁻⁶ /°C, what is the increase in length?
A glass sphere has a radius of 10 cm at 20°C. When heated to 120°C, what is the percentage change in its surface area? (α = 1.2 × 10⁻⁵ /°C)
The specific heat capacity of water is 4200 J/(kg·K). How much heat is required to raise the temperature of 2 kg of water from 25°C to 75°C?
A copper rod of length 1 m expands by 1.7 mm when heated from 0°C to 100°C. What is the linear expansion coefficient of copper?
The relationship between linear expansion coefficient (α), superficial expansion coefficient (β), and volumetric expansion coefficient (γ) is:
A concrete bridge of length 200 m is constructed at 15°C. If the linear expansion coefficient is 1.2 × 10⁻⁵ K⁻¹, what expansion gap is needed to accommodate temperature changes up to 45°C?
Water exhibits anomalous expansion between 0°C and 4°C. This means water's density is:
An aluminium sphere has a volume of 500 cm³ at 20°C. The volumetric expansion coefficient of aluminium is 7.2 × 10⁻⁵ K⁻¹. What is the volume at 120°C?
The coefficient of volumetric expansion of a liquid is 5 × 10⁻⁴ K⁻¹. If 1 litre of this liquid is heated from 20°C to 70°C, what is the approximate increase in volume?
A steel ball has a radius of 10 cm at 25°C. If the linear expansion coefficient of steel is 1.2 × 10⁻⁵ K⁻¹, what is the volumetric expansion coefficient?
When a glass thermometer is placed in hot water, initially the mercury level drops before rising. This phenomenon is known as:
A brass rod has a length of 2 m at 30°C. The linear expansion coefficient of brass is 1.8 × 10⁻⁵ K⁻¹. What will be its length at 80°C?
A copper rod of length 1 m at 0°C is heated to 100°C. If the linear expansion coefficient of copper is 1.7 × 10⁻⁵ K⁻¹, what is the increase in length of the rod?
A liquid has a coefficient of volumetric expansion of 5 × 10⁻⁴ K⁻¹. If 2 liters of this liquid is heated from 20°C to 70°C, what is the increase in volume?
The relationship between volumetric expansion coefficient (γ) and linear expansion coefficient (α) for isotropic solids is:
A steel ring has an inner diameter of 10 cm at 20°C. The linear expansion coefficient of steel is 1.2 × 10⁻⁵ K⁻¹. What will be the inner diameter at 120°C?