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Huygens' construction; Huygens' principle (C. Huygens):
The mechanical propagation of any wave (exclusively, of light) is equal to supposing that each point on the wavefront behaves as point source of wave emission.
Which statement concerning the electric potential of a solid object made out of a perfectly conducting medium is most correct? Answer: It is the electric field which is ze
Get an expression relating T and V in an adiabatic reversible expansion of a gas obeying the equation of state PV = nRT.
MOTION EXAM WITH ANSWERS
What two properties of electromagnetic waves are used to attach info to radio signals? a) By varying the amplitude of a radio wave, you can determine information. That is how A
what is the angle of incidence when the refracted and the reflected ray are parallel to one another? does this angle depend on the wavelength of light? Ans) The angle of inciden
What is a fiber optic sensor? Fiber optic sensor: A fiber optic sensor is a sensor which uses optical fiber either like the sensing tool ("intrinsic sensors"), or implies as
what is Friction When we think about friction, there is one more place for energy to go - heat. When you push a book across a table, does the energy of the book change? Not if in
Will there be any change in hz of sound if two vibrating body has the similar hz Ans) Yes it depends on the path difference among them... Like in destructive inteference u
If A=3i+j+3k, B=-2i-4j-3k and c=2i+4j+3k. Find a unit vector parallel to 3A-2B+4C
APPLICATION TO BALLISTIC MISSILES: "An unpowered and unguided missile is known as ballistic missile". The path followed by ballistic missile is known as "ballistic trajectory"
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