of speed at constant frequency. (f) describe simple experiments to show the reflection and refraction of soundwaves.
Cambridge O Level Physics 5054. Examination in June and November 2011.
4. Curriculum content
Content 14.1 Reflection of light 14.2 Refraction of light...
decreasing with age.
Sound properties Soundwaves are characterized by the generic properties of waves, which are frequency, wavelength, period, amplitude, intensity, speed, and direction (sometimes speed and direction are combined as a velocity vector, or wavelength and direction are combined as...
which the wave is travelling, for example a variation in refractive index for lightwaves or in acoustic impedance for soundwaves and these can also be referred to as diffraction effects. Diffraction occurs with all waves, including soundwaves, water waves, and electromagnetic waves such as...
6.1 What is waves?
Process of transferring energy from one location to another which is produced by an oscillating or vibrating motion.
Examples of Lightwaves are produced as a result of vibrations of waves electrons in an atom Soundwaves are produced by vibrating mechanical bodies...
live that are made up by soundcommunication. In testing the communication skills of dolphins, extensive studies have been done on vocal mimicry, in which the animal imitates computer-generated sounds in order to test motor control in terms of cognitive ability. Language comprehension on the other...
Values, morals, opinions
16) You want to discuss your performance review and possible raise with your boss. The most
effective channel to do this would be
17) Sound and lightwaves are an example of whichpart of the...
equal amplitude and frequency,
travelling in opposite directions and that the internodal distance is
for double-slit interference,
PH2.2 REFRACTION OF LIGHT
WaveModel of Refraction
Optical Fibre Communications
AMPLIFICATION OF CONTENT...
matter like planets - they could exhibit wave or particle properties just as could light. There were other problems with this model: why didn’t negatively charged electrons collapse into a positively charged nucleus, and why did they stay in particular orbits? Where did the energy for their motion...
Light and Video
Light and Color
We have learned that sound is a vibration, generated by the source of sound, that produces a pressure wave, which makes the eardrum vibrate, and so we hear the sound. In a similar manner, light is a type of wave (an electromagnetic wave) that is generated by the...
operate equipment which measures and uses the measured speed of sound to estimate the adulterants in fuel. A NUSONIC model 6080 Concentration Analyzer (manufactured by MAPCO INC. ITALY), commercially available equipment namely NUSONIC model 6080 Concentration Analyzer (manufactured by MAPCO INC. ITALY...
Telecommunication Summary Notes
Section One: Communication through the air and through wires.
You must be able to give an example that illustrates that the speed of sound in air is less than the speed of light in air; for example thunder and lightning. You must also be able to describe a...
-performance network infrastructure, through which they can model, measure, and maximize return on investment and value chain relationships.
The second wave of eBusiness delivers an entirely new customer experience by leveraging and bringing together the new high-performance Internet and...
connector is the microphone connector, for signals from a microphone or other low-level input device. Input through a microphone jack can be used, for example, by speech recognitionor voice over IP applications.
An important sound card characteristic is polyphony, which refers to its ability to...
and at the same intensity, so the source is perceived as being straight ahead.
* Hearing Loss
Two major types:
Conduction Deafness: caused by problems involving the mechanical system that transmits soundwaves to the cochlea. Example: a punctured eardrum.
a hearing aid amplifies the sounds...
energy to keep ourselves warm. Also a possible form of waste energy. But I’m sure you know what sound is. It is a series of longitudinal waves – but we’ll get to that later. This energy emits a light. We need light to see things. Things like light bulbs have energy that is converted to this. Most of...
light between the two ends of the fiber. The field of applied science and engineering concerned with the design and application of optical fibers is known as fiber optics. Optical fibers are widely used infiber-optic communications, which permits transmission over longer distances and at higher...
precisely for this reason. Therefore, no government license is needed to operate an infrared system, in contrast to radio systems, which must be licensed outside the ISM bands. Infrared communication has a limited use on the desktop, for example, connecting notebook computers and printers, but it...
16) Which informal communication channel involves its own abbreviations to accommodate the
limited number of characters available in any given
17) Sound and lightwaves are an example of whichpart of...
when projected at vast distances, such as light years. The loss of light, which projects the shadow, will move towards the surface of projection at light speed.
The misconception is that the edge of a shadow "moves" along a wall, when in actuality the increase of a shadow's length is part of a new...