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Refraction law: For a wavefront travelling by a boundary among two media, the first along a refractive index of n 1 , and the other with one of n, the angle of incidence thet
A lift is moving down with an acceleration of 3m/s. A ball is released 1.7m above the lift floor. How long will the ball take to hit the floor?
Derive expression for total power consumed when three appliances of power p1 p2 nd p3 are connected in series.
Interfacial polarization takes place whenever there is an storage of charge at an interface between two materials or between two regions in a material. As shown in the material ha
Q. How much should be the voltage of an X-ray tube so that the electrons emitted from the cathode may give an X-ray of wavelength 1 A o after striking the target? λmin = 124
What is lubricants
The value of G, the universal gravitational constant, was measured experimentally by: a) Newton b) Cavendish c) Copernicus d) Kepler Ans: The value of th
A horizontal ray hitting a prism with n=1.5, tip angle α=4 o . The ray will be deflected by an angle δ=(n-1)α. The ray is further reflected by a vertical mirror. Now, if I want to
Total Internal Reflection: When a ray of light passes from denser medium to rare medium and angle of incidence is greater than the critical angle. The incident ray reflects ba
A LADDER OF LENGTH 4m weighing 300N is placed against vertical wall . the coefficient of friction between the wall and the ladder is 0.3.The ladder in addition to its own weight ha
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