Light, Heat, Electricity and Magnetism
Visible light or Light is actually electromagnetic radiation which is visible to human and also it is responsible for a sense sight. Visible light provides wavelength in the range from 380 nanometers to around 740nm, having a frequency range of around 405 THz to 790 THz. In physics, the definition of light occasionally describes electromagnetic radiation of the wavelength, regardless of whether visible or not.
Speed of light
The speed of light in the vacuum is actually defined to be precisely 299,792,458m/s (approximately 186,282 miles for each second). The set value of the pace of light in SI units is a result of the truth that the meter is currently defined with regards to the speed of light.
Heat can be described as energy in transit from the high temperature object to a low temperature object. An object will not have "heat"; the correct term for the microscopic energy within an object is actually internal energy. The inner energy might be increased through transferring energy to the object from the high temperature (hotter) object - this can be known as heating.
Specific heat, also known as specific heat capacity, is described as how much energy needs to be transferred to or in one unit of mass (kilogram) or perhaps amount of substance (mole) to alter the system temperature through one degree. Specific heat can be a physical property, meaning that it all depends about the substance under consideration and it is stated as specified through its properties.
Electricity can be a general phrase encompassing many different phenomena caused by the presence and flow of electrical charge. Such as several easily recognizable phenomena, static electricity, including lightning and the flow of electric current in a electrical wire. Additionally, electricity encompasses much less familiar concepts like the electromagnetic induction and electromagnetic field.
Magnetism is actually a property of materials which respond at an atomic or perhaps subatomic level for a utilized magnetic field. Ferromagnetism will be the strongest and a lot familiar kind of magnetism. It will be responsible for the behavior of permanent magnets that produce their particular persistent magnetic fields, along with the materials which are attracted to them. But, all materials tend to be influenced with a greater or lower degree by the existence of a magnetic field.
Diamagnetism seems in most materials and is also the tendency of the material to oppose a utilized magnetic field and so, to be repelled with a magnetic field. But, in the material along with paramagnetic properties (that is, together with a tendency to enhance another magnetic field), the para-magnetic behavior of dominates.