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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
what is gravitional constant? mention its SI value
Q. An electron beam is accelerated through a potential difference of 104 volt. Find the de Broglie wavelength. λ = 12.27 A o / √V λ = 12.27 A o / √10 4 = 0.1227
A bob hanged to astrirg in a box .it is displaced to an agle of 45 .then fid the acceleration of the box at this moment. Ans) gsin45,that is 10/1.4142.as it would have only tangen
Fibre optics: Light travels in straight lines, even though lenses and mirrors can deflect it, light still travels in a straight line between optical devices. This is fine for
Suppose that a colleague comes to you for help prior to conducting an experiment with two treatments to determine the effects on the density (weight) of cornbread. The recipe for
why specific heat is different at different temperature?
a) The molar mass of air is 28.97 kg/kmol and the universal gas constant is 8.314 kJ/(kmolK). Show by calculation that the particular gas constant of air is around 0.287 kJ/(kgK)
how much energy is required to raise an object of 300g that is initially at rest to a height of 2m and simultaneuosly give the object a velocity if 4m/s?
Explain General Theory of Gravitation The idea of a gravitational field takes all the gravitational effects of a given mass like Earth and expresses them mathematically as a grav
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