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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.
Explain Generation of electrical energy Generation of electrical energy : The conversion of energy available in dissimilar forms in nature into electrical energy is called as
What is heat
Enrique Iglesias belts out a high-C (1024 Hz) from the deck of his yacht. What is the wavelength of this sound wave in the surrounding air? As the sound wave enters the ocean below
Beats: The periodic vibrations in intensity or loudness of sound because of superposition of two sound waves of similar amplitude and slightly different frequencies are known a
Q. What is dual character of light? Light behaves as particles of energy in the higher energy region as well as as waves in the lower energy region.
Describe concept about vibrational modes of carbon dioxide molecule. Vibrational Modes of CO 2 molecule While excited, the CO 2 molecule vibrates as masses joined by a spr
Define the Cylinders and Heat Bath? Regard as a cylinder 1 m long with a thin, massless piston clamped in such a manner that it divides the cylinder into two equal parts. The
Can you explain normal mode oscillation? Compare between Q 1 and Q 2 mode oscillation
(1) The first practical application for piezoelectric devices was sonar, first developed during worldwar1. Piezoelectric materials are as a source of ultrasonic waves. At sea, they
Le Chatelier's principle (H. Le Chatelier; 1888) If a system is in equilibrium, then any change imposed onto the system tends to shift the equilibrium to decrease the effect of
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