Theory

CH10 - IDEAL GASES

Sources of $\alpha$-particles are frequently found to contain traces of helium gas. A radioactive source emits $\alpha$-particles at a constant rate o...

2009 Summer

Theory

CH10 - IDEAL GASES

An ideal gas occupies a container of volume $4.5 \times 10^3 \text{ cm}^3$ at a pressure of $2.5 \times 10^5 \text{ Pa}$ and a temperature of $290 \te...

2009 Winter

Theory

CH10 - IDEAL GASES

(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

CH10 - IDEAL GASES

(a) (i) State the basic assumption of the kinetic theory of gases that leads to the conclusion that the potential energy between the atoms of an ideal...

2010 Winter

Theory

CH10 - IDEAL GASES

(a) State the basic assumptions of the kinetic theory of gases.   [4] (b) Use equations for the pressure of an ideal gas to deduce that the...

2010 Winter

Theory

CH10 - IDEAL GASES

(a) State what is meant by the Avogadro constant $N_A$.  [2] (b) A balloon is filled with helium gas at a pressure of $1.1 \times 10^5$ Pa and a...

2011 Summer

Theory

CH10 - IDEAL GASES

(a) State what is meant by a mole.  [2] (b) Two containers A and B are joined by a tube of negligible volume, as illustrated in Fig. 2.1. The...

2011 Summer

Theory

CH10 - IDEAL GASES

(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

CH10 - IDEAL GASES

(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

CH10 - IDEAL GASES

The planet Mars may be considered to be an isolated sphere of diameter $6.79 \times 10^6 \text{ m}$ with its mass of $6.42 \times 10^{23} \text{ kg}$ ...

2011 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