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Applications of Laser:
Due to its properties, laser light can be put to a number of uses in industry, medicine, communications etc. We will briefly describe some of these uses. Because of the high concentratior, of energy, a laser beam can quickly bum tiny holes, a few millimetres wide, even in a strip of steel. Lasers have an advantage over all other traditional methods of cutting and welding. Using lasers you can cut any kind of material. such as paper, plywood, plastic or cloth, as also the hardest of metals, ceranlics and glass with greater efficiency and accuracy. Lasers can, thus, make an ideal tool for metal workers, carpenters and tailors, apart from engineers.
To show that soil contains air:- Place some soil in a glass jar or bottle and slowly pour water over it. Observe the air bubbles that increase by the water from the soil.
To show how water rises by capillarity Colour some water in a shallow dish with ink and touch a blotter to the water surface. Observe how the water increases in the blotter.
what is the atmosphere
Explain the Blood Urea Nitrogen (BUN) It is a test that measures the amount of urea nitrogen in the blood. Urea is formed in the liver as an end product of protein metabolism a
which organs are protected by the skull
You can observe the buoyancy of water Make an equivalent arm balance. Secure two soda water-bottles and suspend them with loops of string from either side of the arm. Unless th
There are no demographic variables that alter the interpretation of the test results. Test-taking Behaviors Mr. X did not omit any items (?=0) and endorsed the items consiste
Food Chain: As you know from the discussion of the previous subsection, one of the ways in which the organisms are related is through food, that is, one organism becomes food
Astronomy and Physical Sciences: Astronomy was used not only for working out the calendar, the dates of the eclipses and for the determination of time but also for casting h
Ascorbic acid possesses following important physico-chemical properties: a) It is a white crystalline substance. b) It is freely soluble in water. c) Solution of th
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