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Refraction law:
For a wavefront travelling by a boundary among two media, the first along a refractive index of n1, and the other with one of n, the angle of incidence theta is associated to the angle of refraction phi by
n1 sin theta = n2 sin phi.
Advantages of induction motors 1. Simple design. 2. Low cost compared to other motors of the similar capacity. 3. High overload capacity. 4. Very rugged construction.
An atom has 26 electrons and its atomic weight is 56. The number of neutrons in the nucleus of the atom will be : (1) 26 (2) 30 (3) 36 (
A rocket is intended to leave the Earth's gravitational ?eld. The fuel in its key engine is a little less than the amount that is essential, and an auxiliary engine, only capa
definition, Working principal, applications ??
Q. Write down two important facts of Laue experiment on X-ray diffraction. The Laue experiment has established subsequent two important facts (1) X-rays are electromagnetic
What is Normal Force?? Force exerted upon an object that is in get in touch with another stable object. If a book is resting upon a surface, then the surface is exerting an up
Explain the Prisms, Dispersion and Color A ray of white light that passes through a prism is dispersed into the visible spectrum. Red light is refracted the least, and purple lig
how faster ultrsonic waves will travel in solids.
A simple pendulum of frequency f has a metal bob.If the bob us negatively charged and is allowed to oscillate with a posively charged plate under it , the frequency will.? Ans) DUE
What do you understand by reverberation? Who is the founder of architectural acoustics? What is Newton's formula for velocity of sound in a gas? How is it corrected by Laplace?
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