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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.
write a note on relative velocity.
Suppose the sides of a closed polygam represent vector arrangend head to tail rule , what is sum of these vectors ?
Differentiate between displacement current and conduction current.
Inertia on a bicycle Get your bicycle going and then apply the brakes rapidly. View the tendency of your body to stay in motion and pitch you over the handlebars. This is the r
In isobaric process pressure of the gas is constant overall the process. As, V/T is constant in isobaric process.
Magnetic instruments are used to find out the magnetic moment of a bar magnet, find out the horizontal component of earth's magnetic field, compare the magnetic moments of two bar
What is atomic holography? Atomic holography: Atomic holography has evolved out of the growth of the fundamental elements of atom optics. Along with the Fresnel diffraction
concave grating and rowland''s mounting theory
electric field
a force of 25N acts on a body.if moment arm is 2m.find the value of torque
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