Theory

CH8 - GRAVITATIONAL FIELDS

(a) A spherical planet has diameter $1.2 \times 10^4 \text{ km}$. The gravitational field strength at the surface of the planet is $8.6 \text{ N kg}^{...

2009 Summer

Theory

CH8 - GRAVITATIONAL FIELDS

The Earth may be considered to be a uniform sphere of radius $R$ equal to $6.4 \times 10^6$ m. A satellite is in a geostationary orbit. (a) Describe...

2009 Winter

Theory

CH8 - GRAVITATIONAL FIELDS

The Earth may be considered to be a uniform sphere of radius $6.38 \times 10^{3}$ km, with its mass concentrated at its centre.The Global Positioning ...

2009 Winter

Theory

CH8 - GRAVITATIONAL FIELDS

(a) Explain what is meant by the potential energy of a body. [2] (b) Two deuterium ($^2_1H$) nuclei each have initial kinetic energy $E_K$ and are in...

2010 Summer

Theory

CH8 - GRAVITATIONAL FIELDS

(a) Define gravitational potential at a point.  [2] (b) The Earth may be considered to be an isolated sphere of radius $R$ with its mass concent...

2010 Summer

Theory

CH8 - GRAVITATIONAL FIELDS

(a) Define gravitational field strength.   [1] (b) An isolated star has radius $R$. The mass of the star may be considered to be a point ma...

2010 Winter

Theory

CH8 - GRAVITATIONAL FIELDS

(a) Define gravitational field strength.[1] (b) An isolated star has radius $R$. The mass of the star may be considered to be a point mass at the cen...

2010 Winter

Theory

CH8 - GRAVITATIONAL FIELDS

A planet of mass $m$ is in a circular orbit of radius $r$ about the Sun of mass $M$, as illustrated in Figure 1.1. The magnitude of the angular vel...

2010 Winter

Theory

CH8 - GRAVITATIONAL FIELDS

(a) Newton's law of gravitation applies to point masses. (i) State Newton's law of gravitation. [2]  (ii) Explain why, although the planets and...

2011 Summer

Theory

CH8 - GRAVITATIONAL FIELDS

(a) State what is meant by a \textit{field of force}.  [1] (b) Gravitational fields and electric fields are two examples of fields of force. Sta...

2011 Summer

Theory

CH2 - MEASUREMENT TECHNIQUES

(a) State the most appropriate instrument, or instruments, for the measurement of the following. (i) the diameter of a wire of diameter about 1 mm [1...

2009 Summer

Theory

CH4 - DYNAMICS

A ball B of mass 1.2 kg travelling at constant velocity collides head-on with a stationary ball S of mass 3.6 kg, as shown in Fig. 2.1. Frictional ...

2009 Summer

Theory

CH5 - FORCES, DENSITY & PRESSURE

(a) Define the $\emph{torque}$ of a couple.   [2] (b) A torque wrench is a type of spanner for tightening a nut and bolt to a particular to...

2009 Summer

Theory

CH9 - DEFORMATION OF SOLIDS

A spring having spring constant $k$ hangs vertically from a fixed point. A load of weight $L$, when hung from the spring, causes an extension $e$. The...

2009 Summer

Theory

CH15 - SUPERPOSITION

Two sources $S_1$ and $S_2$ of sound are situated 80 cm apart in air, as shown in Fig. 5.1. The frequency of vibration can be varied. The two sourc...

2009 Summer

Theory

CH17 - ELECTRIC FIELDS

Two vertical parallel metal plates are situated 2.50 cm apart in a vacuum. The potential difference between the plates is 350V, as shown in Fig. 6.1.A...

2009 Summer

Theory

CH20 - D.C. CIRCUITS

A network of resistors, each of resistance $R$, is shown in Fig. 7.1.(a) Calculate the total resistance, in terms of $R$, between points(i) A and C,re...

2009 Summer

Theory

CH26 - PARTICLE & NUCLEAR PHYSICS

The spontaneous and random decay of a radioactive substance involves the emission of either $\alpha$-radiation or $\beta$-radiation and/or $\gamma$-ra...

2009 Summer

Theory

CH1 - PHYSICAL QUANTITIES & UNITS

In this experiment you will investigate how the current in a circuit depends on the arrangement of resistors within the circuit. You have been provide...

2009 Summer

Theory

CH1 - PHYSICAL QUANTITIES & UNITS

In this experiment you will investigate the angle of tilt of a bottle when it contains different amounts of water. (a) (i) Use the water supplied to ...

2009 Summer