Jack Kilby of Texas Instruments and Robert Noyce of Fairchild Semiconductor working independently of each other invented the first integrated circuit.
depends on the size and type of the apple.
There are two kinds of transistor: Bipolar Junction Transistors (BJTs) and Field Effect Transistors (FETs). These two transistors work in two different ways. However, both types of transistors are based on the fact that when a voltage is applied to impure semiconductor such as Silicon, it …
Heat and Expansion
According to the spring ball model of solids, on exposing solids to thermal stress, the potential energy will increase as a whole in the system of molecules or ions or atoms ( as the case may be) that make-up the object mentioned above. This means the distance between any two…
by running electric current all through a wire a magnetic field is created
Heat energy causes all matter to expand, a reason for this strange occurrence is that when a particular substance receives heat whether it be through conduction, convection or radiation the atoms inside the substance become more energised therefor needing more space to move, they push the outside bo…
Russell Under certain conditions you can see a reaction occur between 2 atoms at a distance of 2 metres. and most people can be taught the necessary focus techniques required, unfortunately those who have poor eye sight and who require glasses cannot.Find a window which looks to a blue sky, stare in…
The unit cell is defined as the smallest geometric repetition of an
which gives actual crystal structure is known as unit cell
Dielectric constant or relative permittivity of a medium is defined as the ratio of force between two charges separated by a certain distance in air (or vacuum) to the force between the same charges separated by the same distance in the medium. It is denoted by K.
A microchip is an electronic device built as a single unit from
many miniature components mainly transistors.Microchips are made by
building up electronic circuits in a tiny wafer or pure silicon in
a complicated layer-by-layer process.
Germanium diodes are more expensive than silicon ones, germanium is
harder to process, germanium cannot be used to make integrated
circuits (while early prototype integrated circuits were germanium
the wiring between the integrated components cannot be integrated
making it too expensive for producti…
It is possible to relate a decay constant of some α emitting nucleus to an energy of α particle in the framework of the Gamow theory (see Related links) that is based on the quantum mechanics description of the tunneling through the potential barriers.
Previous view (by Quirkyquantummechanic)
Equivalent weight is the molecular weight/functionality. Sulfuric acid is 98 molecular weight with two protons, so its equivalent weight is 49.
The very top of a wave is called the crest.
They very bottom is the trough.
From one crest to the next is the wavelength.
The center of the wave is the medium, or rest position.
From the medium to the crest is the amplitude.
The wave has two parts i.e. Crest and Trough
the frequency equals f =…
1) So far, we have not been able to figure out a way to get objects with mass to travel at the speed of light. The energy required to do so would be infinitely large, and since there's no such thing as an infinite supply of energy, it's impossible. 2) That being said, if you were to travel at very c…
In general, if we compress a gas, the temperature of that gas will increase. The compression increases the pressure of the gas.There is a bit more, depending on how an investigator choses to look at the problem.If the pressure remains constant and the volume goes down, the temperature goes down.Howe…
When you relax and chill.
A semiconductor of silicon doped with a pentavalent impurity expected to be an n-type semiconductor.When you dope a silicon semiconductor with pentavalent impurity the extra electron from the pentavalent compound remains free while others 4 form the covalent bonding with neighboring atoms leaving on…
Yes. Water is one of the few substances on earth that does expand when frozen most other things expand when heated. The hydrogen bonds between the hydrogen and oxygen atoms straighten and the water molecule expands.
to measure a long size to measure
The Intel 4001 was not the first integrated circuit,
that came 11 years earlier.
Intel did not even exist when the first integrated
circuit was made.
Original post//If you lived in a world without physics, you would be in the dark ages!Physics makes your televisions and your raidios and your hosue phones and your mobiles and your laptops and your internet and almost anything wirelessIt also covers many things to do with electiricty, and power and…
Work = Force x Distance; force is in newtons, distance is in meters The unit for work is Nm (newton Meters)
The size of a ball does affect how fast it rolls. Surface also play
a major role in how fast a ball will move.
Self-luminous paints (only in the past, before 1930), Ra-Be neutron sources, preparation of radon from RaCl2 solutions, medical uses for the treatment of conditions such as cancer (now being replaced by radioactive cobalt, 60Co sources, 137Cs, etc.). Its use in medicine has declined because of its …
Max Planck assumed that the radiation energy is emitted in discrete packets called quanta rather than in a continuous way. The energy E of the quantum is related to the frequency ν by E = hν. The quantity h, now known as the Planck constant, is a universal constant with the approximate value of 6.…
direct band gap means in e-k diagram valance bands are exactly below covalance band,in this band electron falls from the conduction band to valance band directly without going to metastable state and in indirect band gap the band electron falls from the conduction band to valance band by first going…
volume! unit square
To measure the length of large objects.
1958. It came into common use in the early 1970s.
No because it changes shape color Android more so its a physical change
i do not know either. welcome to the club
Pressure! You can also lower the temperature to increase solubility.
The pushing of the doorbell closes an electric circuit. Then electric current flows through an electromagnet, and the doorbell rings. in other wordsIn most wired systems, a button on the outside next to the door, located around the height of the doorknob, activates a signaling device (usually a chim…
less dense than water
it is used for measuring a certain distance.
I would say that green plant have the fastest photosynthesis because the chlorophyll in the plant is what gives a plant its green color and chlorophyll molecules are what captures the light energy that makes it possible for photosynthesis to occur
The above answer i would say is incorrect, as the gr…
MOLECULEWith a mass of about 9.10938215×10−31 kg. (0.510998910 MeV), Electrons are one of the smallest known particles in atoms but they are composed of quark particles..... considering the fundamental particles- nutrinos MAY BE the smallest particle :-(
It is a solvent that dissolves in a solution.
well the smallest atom is the solid or crystal to my knowledge
For an insulating material dielectric strength and dielectric loss should be respectively
An aperature OS size a illluminated by a parallel beam sends diffracted light into a angle of approximately ~y/a. This is the angular size of the bright central maximum. In trevelling a distance z, the diffracted beam therefore acquires a width zy/a due to diffraction. this gives distance beyond wh…
All metals Conduct: Tin, steel, iron, copper, aluminum, zinc and all other metals conduct electricity very well compared to most other compounds. (These pure metals conduct, but when they are used to form compounds, the result may of may not conduct electricity.) Why metals conduct: With the discove…
Tin not a particularly good conductor compared to most metals, but it does conduct electricity.See the link to related questions for more.
Reason: Non-metallic solids are usually brittle.
Amorphous means having no shape or form. They tend to have noncrystalline structures or a very low level of crystallinity.
The formula for work is : Work Done = Force / Displacement (W) = (F) / (S)
If you leaned out of your car and meaured the speed of the light
of the headlights, you would find that it's leaving you at the
speed of light.
half the normal chromosomes as a person so its 23 or 56
half the normal chromosomes as a person so 23 or 56
It is literally the inability to be penetrated (pierced, soaked through), to a greater or lesser extent. Nothing is completely impenetrable. It is used metaphorically to indicate something not understandable, or incomprehensible -- not because it does not make sense but because it is presented or e…
The amount of matter within it.
Heat cause excitation of electrons and molecular vibration. More heat is the more molecular vibration and at the certain point when the energy in molecular vibration exceed the bonding energy, the molecules or atom then set free from the solid bonding and move freely. In absent of atmospheric pressu…
sound is actually vibrations. your eardrum is highly sensitive, like ripples on water, it picks up these vibrations
A CD is a insulator
Dry ice is frozen carbon dioxide, at a temperature of -109.3°F or -78.5°C. Check link below for more information on dry ice and dry ice makers.The temperature of dry ice is -109.6°F.
change the temperature
magnetic flux density
work = the exerted force x the distance over which it was exertedw= f x dforce is measured in newtons (N)distance is measured in meters (m)therefore w = M x N a.k.a. joulesWork is measured in Joules (J)
because the structure of ice contains spaces between them due to weak hydrogen bonds
A phonon is a collective vibrational mode in an ideal crystalline solid.A single phonon is pure vibrational mode. It is direct analogy to a pure vibrational mode in a musical instrument such as a string of a guitar. It can be said that it is a sound wave, but the vibrations allowed that are pure sin…
Formula=work all ofar time taking
Yes. Iron can conduct electricity. It is not as good a conductor of electricity as copper but it can conduct electricity. If you see a train or high speed rail with two wires hanging over the track, the top wire is a copper wire and the bottom wire is an iron wire. The copper wire conducts the elect…
One way that a liquid can turn into a solid is by freezing. Another
way a liquid can turn into a solid is by congealing,which usually
involves chemical changes.
A normal force.
Vaporization is the process in which a liquid becomes a gas.
Object's massLocal gravitation field strength
Helium in the Periodic table is at the top right hand corner of the table. It's atomic number is two (2)
yes sound can break glass
There are an abundance of metals that we haven't discovered yet
because we don't know of any star to create fusion with Iron, once
that star that does fuse iron atoms then it will be able to fuse
more elements leading to ones we have never even seen before. This
will be soon though, very soon...
Mercury. -38.83 °C Hydrogen is thought to become a solid metallic substance at temperatures near absolute zero (-273oC)
Steel, iron, copper, aluminum and all other metals conduct electricity very well compared to most other compounds. With the discoveries in solid state physics of the 20th century we learned that metals are collections of atoms which have somewhat unusually properties of the electrons. In metals the…
answ2. The movement of electrons will produce a magnetic field. Whether by the spin of the electron or its movement. All magnetic fields are produced by moving electrons. Even those on the Sun where it is too hot for magnetic materials. When you cause a current flow through a wire, the flow of elec…
its your mom in a cup
From the laws of nature what ever goes up must come down. This is due to a constant gravitational acceleration which acts on all objects that are on our planet earth. Every object on this planet, independent of size, experiences the same (Constant acceleration) gravitational acceleration so all fall…
No, it's a homogenous mixture.
CuO for Cupric Oxide and Cu2O for Cuprous Oxide (copper II and copper I)
matter is not measured by grams or kilograms. that is mass. but matter is measured by using mass. mass is the amount of matter in an object.
technically there are 4, 4 fundamental quantities are distance mass time and electric charge (electric charge tends to be ignored
As of 2010, the Bose-Einstein condensate state of matter has only been achieved in temperatures of 10-7 K in many alkali and alkaline earth metals' isotopes. They include: 7Li, 23Na, 39K, 41K, 85Rb, 87Rb, 133Cs, 52Cr, 40Ca, 84Sr, 86Sr, 88Sr, and 174Yb
Salt, Snow, Ruby Crystals, Gypsum Crystals, and Fluorite Crystals.
mass=density multiply by volume
Objects do fall at the same rate, regardless of mass, in a vacuum.
In air, wind resistance affects the NET of the forces accelerating
the object. The heavier object WILL fall faster in air because the
wind resistance, although the same between the two objects,
represents a larger percentage of the f…
Nuclear power plants, reaction in the sun and stars.
Clouds are made up of very small water droplets which are suspended in the air. If the air continues to cool, the small droplets will join together to form larger droplets or ice crystals. Eventually the weight of the water drops or ice crystals may be heavy enough to make them fall as precipitation…
The least metallic element is fluorine. Fluorine is a chemical
element that is poisonous and has the atomic number 9.