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Radiography and depletion of Ozone layer:
What is Radiography?
A. The method in which soft X-rays are used in medical diagnosis is called radiography.
What are the uses of Hard x-rays?
A. Hard x-rays are used to determine the structure of materials and to test the materials in industry.
What is the reason of depletion of Ozone layer in atmosphere?
A. The ozone layer is depleted due to the Chemical reactions with fluoro carbons released from aerosol sprays, refrigeration equipments and other pollutants.
When do you use Wn instead of work - A?
Define term coherence as the characteristics of laser. Coherence: The light from a laser is called be highly coherent that implies the waves of laser light are in similar
The Zinc Blende or Sphalerite Structure. Zinc blende is same to diamond cubic structure, but the two FCC sub-lattices are occupied by atoms of two dissimilar elements. Some of
A football player kicks a field goal from a distance of 45 m from the goalpost. The football is launched at a 35° angle above the horizontal. What initial velocity is neede
A block of mass m 1 sits on a rough table. The coe?cient of static and kinetic friction between the mass and the table are s and k, respectively. Another mass m 2 is suspended
from any unit to pascel
what is the mass of CPH? Answer; Since I told before, when CPH takes spin it calls graviton. Thus, our problem is the mass of graviton. There isn't any acceptable summa.
explain diffrent phases of liquid crystal
Fast neutrons can be changed into slow neutrons by certain materials known as moderator's when last moving neutrons pass by a moderator, they combine with the molecules of the mod
Principle Ray III . Preliminary from the head of the arrow that the object is ray III travels directly toward the focal point on the other side of the lens. However at the plane of
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