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

CH1 - PHYSICAL QUANTITIES & UNITS

(a) State what is meant by a $\text{scalar}$ quantity and by a $\text{vector}$ quantity. [2] (b) Complete Fig. 1.1 to indicate whether each of t...

2018 Summer

Theory

CH3 - KINEMATICS

(a) State what is meant by the mass of a body. [1] (b) Two blocks travel directly towards each other along a horizontal, frictionless surface. T...

2018 Summer

Theory

CH14 - WAVES

(a) For a progressive wave, state what is meant by (i) the period,   [1] (ii) the wavelength.   [1] (b) Fig. 4.1 shows the vari...

2018 Summer

Theory

CH14 - WAVES

(a) When monochromatic light is incident normally on a diffraction grating, the emergent light waves have been diffracted and are coherent. Explain w...

2018 Summer

Theory

CH19 - CURRENT OF ELECTRICITY

(a) Define the volt............................................................................................................... [1](b) A battery of...

2018 Summer

Theory

CH17 - ELECTRIC FIELDS

A $\beta^{-}$ particle from a radioactive source is travelling in a vacuum with kinetic energy 460 eV. The particle enters a uniform electric field at...

2018 Summer

Theory

CH1 - PHYSICAL QUANTITIES & UNITS

(a) Define force. .....................................................................................................................[1] (b) State...

2018 Summer

Theory

CH3 - KINEMATICS

(a) State the principle of conservation of momentum. [2] (b) A stationary firework explodes into three different fragments that move in a horizontal ...

2018 Summer

Theory

CH3 - KINEMATICS

A child on a sledge slides down a steep hill and then travels in a straight line up an ice-covered slope, as illustrated in Fig. 3.1. The sledge pa...

2018 Summer

Theory

CH14 - WAVES

(a) (i) Define the wavelength of a progressive wave.   [1] (ii) State what is meant by an antinode of a stationary wave.   [1] (...

2018 Summer