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

MCQ

CH15 - SUPERPOSITION

The diagram shows a standing wave on a string. The standing wave has three nodes $N_1$, $N_2$ and $N_3$. Which statement is correct?

2009 Winter

MCQ

CH15 - SUPERPOSITION

A parallel beam of light of wavelength 450 nm falls normally on a diffraction grating which has 300 lines/mm. What is the total number of transmitted...

2009 Winter

Theory

CH15 - SUPERPOSITION

(a) State what is meant by a progressive wave.   [2] (b) The variation with distance x along a progressive wave of a quantity y, at a parti...

2009 Winter

Theory

CH15 - SUPERPOSITION

A uniform string is held between a fixed point P and a variable-frequency oscillator, as shown in Fig. 5.1. The distance between point P and the os...

2009 Winter

MCQ

CH15 - SUPERPOSITION

Using monochromatic light, interference fringes are produced on a screen placed a distance $D$ from a pair of slits of separation $a$. The separation ...

2010 Summer

MCQ

CH15 - SUPERPOSITION

Diagram 1 shows a ripple tank experiment in which plane waves are diffracted through a narrow slit in a metal sheet. Diagram 2 shows the same tank wi...

2010 Summer

MCQ

CH15 - SUPERPOSITION

The diagram shows a steel wire clamped at one end and tensioned at the other by a weight hung over a pulley. A vibration generator is attached to t...

2010 Summer

MCQ

CH15 - SUPERPOSITION

The diagram shows a steel wire clamped at one end and tensioned at the other by a weight hung over a pulley. A vibration generator is attached to t...

2010 Summer

MCQ

CH15 - SUPERPOSITION

Diagram 1 shows a ripple tank experiment in which plane waves are diffracted through a narrow slit in a metal sheet. Diagram 2 shows the same tank wi...

2010 Summer

Theory

CH2 - MEASUREMENT TECHNIQUES

Measurements made for a sample of metal wire are shown in Fig. 1.1. Fig. 1.1 (a) State the appropriate instruments used to make each of these meas...

2011 Summer

Theory

Kinetic Energy

(a) Explain what is meant by work done. [1] (b) A car is travelling along a road that has a uniform downhill gradient, as shown in Fig. 2.1. ...

2011 Summer

Theory

CH5 - FORCES, DENSITY & PRESSURE

(a) Explain what is meant by centre of gravity. (b) Define moment of a force. (c) A student is being weighed. The student, of weight $W$, stands 0.3...

2011 Summer

Theory

CH9 - DEFORMATION OF SOLIDS

(a) Define, for a wire, (i) stress,    [1] (ii) strain.    [1] (b) A wire of length 1.70 m hangs vertically from a fixed point,...

2011 Summer

Theory

CH20 - D.C. CIRCUITS

(a) A variable resistor is used to control the current in a circuit, as shown in Fig. 5.1. The variable resistor is connected in series with a 12V po...

2011 Summer

Theory

CH5 - FORCES, DENSITY & PRESSURE

(a) State two assumptions of the simple kinetic model of a gas.   [2] (b) Use the kinetic model of gases and Newton's laws of motion to exp...

2011 Summer

Theory

CH15 - SUPERPOSITION

(a) Explain the term interference.   [1] (b) A ripple tank is used to demonstrate interference between water waves. Describe (i) the appa...

2011 Summer

Theory

CH1 - PHYSICAL QUANTITIES & UNITS

(a) Distinguish between scalar quantities and vector quantities. [2] (b) In the following list, underline all the scalar quantities. accelerati...

2011 Summer

Theory

CH1 - PHYSICAL QUANTITIES & UNITS

(a) A sphere of radius $R$ is moving through a fluid with constant speed $v$. There is a frictional force $F$ acting on the sphere, which is given by ...

2011 Summer

Theory

Potential Energy

(a) (i) Explain what is meant by work done. [1] (ii) Define power. [1] (b) Fig. 3.1 shows part of a fairground ride with a carriage on rai...

2011 Summer