Waves Vibrations and Oscillations

Sound waves and electromagnetic waves are both forms of wave propagation that carry energy. Both types of waves can be characterized by properties such as wavelength, frequency, and amplitude. However, sound waves require a medium (such as air, water, or solid material) to travel through, while electromagnetic waves can travel through empty space.

Resonance structures represent different ways to depict the distribution of electrons in a molecule or ion. They show the delocalization of electrons across multiple atoms, leading to increased stability. Resonance structures are used to describe molecules that cannot be accurately represented by a single Lewis structure.

Seismic waves are vibrations caused by the movement of the Earth's crust during an earthquake, whereas a tsunami is a series of ocean waves triggered by an underwater earthquake, volcanic eruption, or landslide. Seismic waves travel through the Earth, while tsunamis primarily move across the ocean surface.

No, an audio oscillator cannot be used to cure illnesses. Illnesses are medical conditions that require proper diagnosis and treatment by healthcare professionals, while audio oscillators are electronic devices used to generate sounds at specific frequencies. It's important to rely on proven medical treatments for illnesses.

Seismic waves increase in speed when they enter more rigid materials, such as solid rock or the Earth's mantle. This increase in speed is due to the higher elasticity and density of these materials, allowing the waves to propagate faster.

Any good conductor reflects lower frequency electromagnetic waves up through the microwave bands, polished surfaces (these do not have to be conductors) reflect electromagnetic waves in the IR/visible/UV frequency range, almost nothing reflects (except at very very shallow angles) x-ray/gamma ray electromagnetic waves.

Yes, compressional waves have crests and troughs. The crests are the points of maximum positive displacement or compression, while the troughs are the points of maximum negative displacement or rarefaction.

The oscillations of a copper disc in a magnetic field are lightly damped because copper is a good conductor of electricity. As the disc cuts through the magnetic field, currents are induced that create a magnetic field opposing the motion, resulting in a damping effect. However, due to the high conductivity of copper, these currents quickly dissipate the energy, leading to lightly damped oscillations.

Lenz's law: Induced current is always antiparallel to the motion that's causing it.

As a copper disk goes through a magnetic field in one direction, the magnetic field induces a current on the disc which is in such a direction as to create an electric field on the disc in the direction opposite its motion. Reeks of Newton doesn't it?

The electric force is therefore always slowing the disc down, otherwise known as damping.

Electromagnetic waves carry energy in the form of electromagnetic radiation. This energy is a combination of electric and magnetic fields that propagate through space at the speed of light. The energy carried by electromagnetic waves depends on their frequency and intensity.

Surface waves, which include Love waves and Rayleigh waves, are responsible for causing the most damage during an earthquake. These waves travel along the Earth's surface and have a greater amplitude compared to the body waves, resulting in more intense shaking and destruction of buildings and structures.

Earthquakes produce seismic waves that travel through the Earth's interior. There are two main types of seismic waves: P-waves (primary waves) and S-waves (secondary waves). These waves can be detected and studied to better understand the properties of the Earth's interior.

Yes, a low frequency wave can have both big and small amplitudes. The amplitude of a wave refers to the maximum displacement of a particle from its equilibrium position, and this can vary regardless of the frequency of the wave.

Electromagnetic waves are made up of particles called Photons.
Electromagnetic waves carries by the small particles named "Photon".
Electromagnetic waves are made of photon charges, E=hf=hc/r = zQ2c/r, where Q is the photon charge= 4/3 E-18 Coulombs = 8 1/3 Electrons=(13U,1d) Quark.
an electric field and a magnetic field that are orthogonal to each other and oscillating at the same frequency.

Yes! P-waves are indeed compression or longitudinal waves which push the crust together and pull it apart as they travel. They are also able to travel through liquids and gasses, unlike S-waves (shear or transverse waves) which can only travel through solids.

No, Mechanical waves means that the waves require a medium in order to pass through. For instance, sound is a mechanical wave because it requires the air to travel through (or any material -- such as water). Light waves are electromagnetic waves because they produce an oscillating electric/magnetic field as it travels. Also because it requires no medium to travel through, this is why the sun's light may reach us here on earth. (Note: it was previously thought that the medium in space which allowed light to travel through, this was referred to as the ether - this is false, space is a vacuum.)

They all have..

-a density field (B)

-(In radio-/TV-waves) They change between electrisity and magnetism.

-The area they cower is determined by the power used, to create them.

-They have abilities:

....Equlal poles (North North ... South South) - pushes.

....Not Equal Poles (North South) - drags.

-There is no known limit to how far they can be stretched.

(If the planet Earth should be destroyed, it could be registrated,

millions of lightyears away - in the very same second, as it happened

here.

I.E. Every substance has a delay. Magnetic forces seemes to be the

only exeption.)

There is no definitive information about the functions of raphide crystals but it is highly suggested that they serve as a defense mechanism against herbivores. These crystals are commonly found inside a chamber in plant cells that are called idioblasts.

we conducted a science experement. three bean plants listened to rock music for 1 hour a day, three listened to classical music for 1 hour a day and three listened to silence. the silence ones grew the tallest over 2 weeks time. we think vibrations hesitate the plants growth

- Lisa and lour

Wave speed is determined by the medium through which the wave travels and the properties of that medium, such as density and elasticity. In general, waves travel faster through stiffer and denser mediums. The wavelength and frequency of the wave also play a role in determining its speed.

The eardrum, or tympanic membrane as scientist's would call it, receives sound in the form of sound pressure waves measured in pascals. It's a lot like some one beating on drums with drum sticks, hence the nick name, 'eardrums'. This is why louder sounds with more sound pressure tend to hurt your ears, like beating harder on the drums.

The speed of a tsunami can be calculated using the formula: speed = wavelength / period. In this case, the speed would be 225 km / 15 min = 15 km/min.

Yes indeed, but you better be careful if you do it! You will need to puncture a small (needle size) hole through the shell to allow vapour to escape. And arrange it to keep the egg upright.

Otherwise you'll spend 15 minutes cleaning exploded egg of the inside of the microwave.

Almost always, if the velocity of the expanding gases exceed the velocity of sound in that medium you will have a sonic boom. But even if you merely pop a paper bag, there will be a small shock wave as the air pressure dissipates to become equal with the surroundings.

In the Lewis structures of ozone, each oxygen atom has a full octet of electrons, satisfying the octet rule. Additionally, ozone exhibits resonance because the double bond can be located on different oxygen atoms, resulting in two equivalent resonance structures.