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What is density?
Density is a physical characteristic, and calculates of mass per unit of volume of a material or substance. It is a measurement of the quantity of matter in a given volume of something.
The higher an object's density, the higher it's mass per unit of volume. The average density of an object equivalent its total mass divided by its total volume. A denser object (like iron) will have less volume than an equal mass of some less dense substance (like water).
The semiconductor material is refined through a process is known as zone refining. It is used for the production of high purity crystals; silicon for example has a melting temperat
Illustrate the demerits of ultrasonic magnetostriction method. Limitations of ultrasonic magnetostriction method: a. This can produce frequencies up to 3 MHz simply. b.
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Production of electricity by pressure: Certain crystals and semiconductors produce an emf between two opposite faces when the mechanical pressure on them is either increased or
the average speed of an object over a given time duration is 6 m/s. If it travels first half of the duration with a constant speed 4 m/s, its speed during the next half duration is
Explain the Spinning Problems The Law of Conservation of Angular momentum states that if there is no net applied torque on a body then angular momentum is conserved. This is si
Bohr magneton (N. Bohr) It is the quantum of magnetic moment. Bohr radius (N. Bohr) It is the distance corresponding to the mean distance of an electron through the nuc
How many types of illuminators are there? As there are no standards inside the industry, the term "type" is slightly confusing. Regading to power usage, the lamp illuminators c
Explain Weightlessness When can you feel weightless? There are two basic ways. You can be far enough away from all large objects in the universe that the force of gravity due t
Action and reaction are always equal and opposite.Then,how does a body moves?
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