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Properties of light:
The wavefronts can be of different shapes depending on the size and shape of light source and the distance from it. Huygens' principle states that every point on a wavefront behaves as the source of small secondary wavelets which spread out in all directions with a velocity equal to the velocity of light. The new wavefront is then found by constructing a surface of envelope tangential to the secondary wavelets.
Applying Huygens' principle, the phenomenon of reflection and refraction could be explained. The velocity of water waves depend on the depth of the water. The principle of superposition of waves states that when two or more waves travel through the same portion of a medium simultaneously, the resultant displacement at any point is the vector sum of the displacements due to the individual waves.
Is there any other proof that light is an electromagnetic wave other than its speed has the same value as the inverse square root of the permittivity and permeability constants of
Determine the Q-factor of damped oscillator with resonant frequency 500Hz and damping coefficient 0.5 per second.
Assumptions: Kinetic Energy=KE, Potential Energy=PE m=mass of the skateboarder=55 kg, Velocity v=1.80m/s So ,Initial Energy(KE) of the skateboarder=mv 2 /2 = 0.5* 55 * (1.8)^
Is photon a particle or a wave? What is its rest mass? Can X-ray generate photoelectric effect? Determine the work function of a metal production photo electrons with X-rays of
The first question one might ask about ferromagnetic material is the source of the large magnetism. The saturation magnetization is so large virtually all the magnetic dipoles in t
What is the difference between vibration and waves?
Coulumb's Law: Statement: The magnitude of the electrostatic force among two point's charges is directly proportional to the product of the magnitude of the charges and inve
1. A 12-bit analog-to-digital converter (ADC) works over the range of -5 volts to + 5 volts. (a) What is the voltage resolution of this converter? (b) Assuming -5 V is rep
During light activity, a 70-kg person may generate 200 kcal /h. Assuming that 20% of this goes into useful work and the other80% is converted to heat, calculate the temperature ris
a 10 m radius of thin spherical tank is to be used to store gas if the wall thickness of the tank is 10 mm and the 125 mpa the maximum possible gas pressure neglecting the radial s
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