Theory

CH11 - TEMPERATURE

(a) A student states, quite wrongly, that temperature measures the amount of thermal energy (heat) in a body. State and explain two observations that...

2009 Winter

Theory

CH11 - TEMPERATURE

(a) Some gas, initially at a temperature of 27.2°C, is heated so that its temperature rises to 38.8°C. Calculate, in kelvin, to an appropriate...

2010 Summer

Theory

CH11 - TEMPERATURE

(a) The resistance of a thermistor at $0\,^{\circ}\text{C}$ is $3840\,\Omega$. At $100\,^{\circ}\text{C}$ the resistance is $190\,\Omega$. When the th...

2010 Summer

Theory

CH11 - TEMPERATURE

(a) The resistance of a thermistor at 0 °C is 3840 $\Omega$. At 100 °C the resistance is 190 $\Omega$. When the thermistor is placed in water ...

2010 Summer

Theory

CH11 - TEMPERATURE

(a) One assumption of the kinetic theory of gases is that gas molecules behave as if they are hard, elastic identical spheres. State two other assumpt...

2011 Winter

Theory

CH11 - TEMPERATURE

(a) One assumption of the kinetic theory of gases is that gas molecules behave as if they are hard, elastic identical spheres. State two other assump...

2011 Winter

Theory

CH11 - TEMPERATURE

(a) A resistance thermometer and a thermocouple thermometer are both used at the same time to measure the temperature of a water bath. Explain why, a...

2011 Winter

Theory

CH11 - TEMPERATURE

(a) Two metal spheres are in thermal equilibrium. State and explain what is meant by thermal equilibrium.   [2] (b) An electric water heat...

2012 Winter

Theory

CH11 - TEMPERATURE

A microwave cooker uses electromagnetic waves of frequency 2450MHz. The microwaves warm the food in the cooker by causing water molecules in the food ...

2014 Summer

Theory

CH11 - TEMPERATURE

(a) State what is meant by an $\textit{ideal gas}$.   [2] (b) The mean-square speed of the atoms of a fixed mass of an ideal gas at $32\, ^...

2015 Winter

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

A student creates a table to show reasonable estimates of some physical quantities. Which row is not a reasonable estimate? [Table_1]

2017 Summer

MCQ

CH3 - KINEMATICS

A particle travels in a straight line with speed $v$. The particle slows down and changes direction. The new speed of the particle is $\frac{v}{2}$. ...

2017 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

The speed $v$ of a liquid leaving a tube depends on the change in pressure $\Delta P$ and the density $\rho$ of the liquid. The speed is given by the ...

2017 Summer

MCQ

CH3 - KINEMATICS

The values of displacement, velocity and acceleration of a vehicle can be deduced from graphs representing its motion. Often the areas under these gra...

2017 Summer

MCQ

CH4 - DYNAMICS

A ball is released from rest above a hard, horizontal surface. The graph shows how the velocity of the bouncing ball varies with time. At which point...

2017 Summer

MCQ

CH3 - KINEMATICS

A ball is kicked upwards at an angle of 45° to horizontal ground. After a short flight, the ball returns to the ground. It may be assumed that ai...

2017 Summer

MCQ

CH4 - DYNAMICS

The mass of a rocket-propelled truck is approximately equal to the mass of the fuel in its tank. The fuel is ignited and the truck is propelled along ...

2017 Summer

MCQ

CH3 - KINEMATICS

An object is dropped at time $t = 0$ from a high building. Air resistance is significant. Three graphs are plotted against time. The height of the...

2017 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

A student attempts to find the density $\rho$ of aluminium by taking measurements of a rectangular sheet. mass $m = 51.6 \pm 0.1$ g length $l = 100.0 ...

2017 Summer

MCQ

CH4 - DYNAMICS

The graph shows how the momentum of a motorcycle changes with time. What is the resultant force on the motorcycle? 

2017 Summer