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Suppose that the x rays are emitted from a focal spot isotropically. The photon flux is 3.28 x 106 photons mm-2 sec-1 at a distance of 0.75 m from the focal spot. What is the photon flux at a distance of 10 cm from the focal spot? Neglect the effects of air attenuation.
Micro Waves: Micro waves are radio waves with shorter wavelength among 1mm to 300cm. Microwaves are used in Radar and microwave ovens.
Q. Moment of Solid Sphere About Axis? The instant of enertia for a homogeneous solid sphere about an axis can be found by integrating spherical shells by integrating disks or b
The fundamental particles: Although other atomic particles are known, the three fundamental ones are: Protons. The proton has unit mass and carries a unit positive charge.
X-rays was discovered by scientist Rontgen that's why they are also known as Rontgen pulses. Rontgen discovered that when pressure inside a discharge tube kept 10 -3 mm of Hg a
Q. What is Raman shift? In 1928 Sir C.V. Raman fined out experimentally that the monochromatic light is scattered when it is allowed to pass through a substance. The scattered
a boy jumps from height of 100m?what will be its velocity when it reaches ground?
Illustrate the first law of thermodynamics for a closed system undergoing cyclic process.
kindly send me a detailed explanation of string constraint relation on pulley based problems....2 solve it do v take a reference point from wich v take d velocities and den v go wi
What do you mean by Normal shift? How can you calculate total internal reflection? Mention an application of total internal reflection.
about beam intersection in gama and alpha beam?
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