Theory

CH13 - OSCILLATIONS

A vertical peg is attached to the edge of a horizontal disc of radius $r$, as shown in Fig. 4.1. The disc rotates at constant angular speed $\omega...

2009 Summer

Theory

CH13 - OSCILLATIONS

The variation with time $t$ of the displacement $x$ of the cone of a loudspeaker is shown in Fig. 4.1. (a) Use Fig. 4.1 to determine, for these osc...

2009 Winter

Theory

CH13 - OSCILLATIONS

The variation with displacement $x$ of the acceleration $a$ of the centre of the cone of a loudspeaker is shown in Fig. 3.1. (a) State the two feat...

2009 Winter

Theory

CH13 - OSCILLATIONS

(a) State what is meant by (i) $\textit{oscillations}$,  [1] (ii) $\textit{free oscillations}$,  [1] (iii) $\textit{simple harmonic motio...

2010 Summer

Theory

CH13 - OSCILLATIONS

A long strip of springy steel is clamped at one end so that the strip is vertical. A mass of 65 g is attached to the free end of the strip, as shown i...

2010 Summer

Theory

CH13 - OSCILLATIONS

A long strip of springy steel is clamped at one end so that the strip is vertical. A mass of 65g is attached to the free end of the strip, as shown in...

2010 Summer

Theory

CH13 - OSCILLATIONS

A student sets up the apparatus illustrated in Fig. 3.1 in order to investigate the oscillations of a metal cube suspended on a spring. The amplitu...

2010 Winter

Theory

CH13 - OSCILLATIONS

A student sets up the apparatus illustrated in Fig. 3.1 in order to investigate the oscillations of a metal cube suspended on a spring. The amplitu...

2010 Winter

Theory

CH13 - OSCILLATIONS

A cylinder and piston, used in a car engine, are illustrated in Fig. 3.1. The vertical motion of the piston in the cylinder is assumed to be simple...

2010 Winter

Theory

CH13 - OSCILLATIONS

(a) Define simple harmonic motion.   [2] (b) A tube, sealed at one end, has a total mass $m$ and a uniform area of cross-section $A$. The t...

2011 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

Which unit can be expressed in base units as kg m^2 s^{-2}?

2019 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

The luminosity $L$ of a star is given by $L = 4\pi r^2 \sigma T^4$ where $r$ is the radius of the star, $T$ is the temperature of the star and $\si...

2019 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

A particle has velocity $V$ at an angle $\theta$ to the horizontal. The components of the particle’s velocity are $V_v$ upwards in the vertical dire...

2019 Summer

MCQ

CH14 - WAVES

A whale produces sound waves of frequency 5 Hz. The waves are detected by a microphone and displayed on an oscilloscope. What is the time-base sett...

2019 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

The speed shown on a car's speedometer is proportional to the rate of rotation of the tyres. The variation of the diameter of a tyre as it wears intro...

2019 Summer

MCQ

CH3 - KINEMATICS

A car travels along a straight horizontal road. The graph shows the variation of the velocity $v$ of the car with time $t$ for 6.0 s of its journey. ...

2019 Summer

MCQ

CH3 - KINEMATICS

A stone is thrown horizontally from the top of a cliff and falls into the sea some time later. Air resistance is negligible. Which graph shows how th...

2019 Summer

MCQ

CH17 - ELECTRIC FIELDS

A positive charge of $2.6 \times 10^{-8} \text{ C}$ is in a uniform electric field of field strength $300000 \text{ Vm}^{-1}$. How much work must be ...

2019 Summer

MCQ

CH4 - DYNAMICS

Each diagram illustrates a pair of forces of equal magnitude. Which diagram gives an example of a pair of forces that is described by Newton's third ...

2019 Summer

MCQ

CH3 - KINEMATICS

A stone is dropped from a tall building. Air resistance is significant. The variation of distance fallen with time is shown by the dashed line. A sec...

2019 Summer