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

When a force $F$ moves its point of application through a displacement $s$ in the direction of the force, the work $W$ done by the force is given by $...

2012 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

What is a possible unit for the product $VI$, where $V$ is the potential difference across a resistor and $I$ is the current through the same resistor...

2012 Summer

MCQ

CH1 - PHYSICAL QUANTITIES & UNITS

What is a reasonable estimate of the average kinetic energy of an athlete during a 100 m race that takes 10 s?

2012 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

A light-meter measures the intensity $I$ of the light falling on it. Theory suggests that $I$ varies inversely as the square of the distance $d$. W...

2012 Summer

MCQ

CH2 - MEASUREMENT TECHNIQUES

In an experiment, a radio-controlled car takes $2.50 \pm 0.05$ s to travel $40.0 \pm 0.1$ m. What is the car’s average speed and the uncertaint...

2012 Summer

MCQ

CH3 - KINEMATICS

In an experiment to determine the acceleration of free fall using a falling body, what would lead to a value that is too large?

2012 Summer

MCQ

CH3 - KINEMATICS

Which feature of a graph allows acceleration to be determined?

2012 Summer

MCQ

CH3 - KINEMATICS

The diagram shows a laboratory experiment in which a feather falls from rest in a long evacuated vertical tube of length $L$. The feather takes tim...

2012 Summer

MCQ

CH3 - KINEMATICS

In the absence of air resistance, a stone is thrown from P and follows a parabolic path in which the highest point reached is T. The stone reaches poi...

2012 Summer

MCQ

CH5 - FORCES, DENSITY & PRESSURE

Each option gives a correct word equation involving force. Which option gives the definition of force?

2012 Summer