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A piece of flint glass is lying on top of a container of water (see figure below).
When a red beam of light in air is incident upon the flint glass at an angle of 28°.
What is the angle of refraction in the flint glass?
For any single force vector, there is only one angle for which its x- and y-components are equal in size. a. What is that angle? b. How many times bigger is a vector at this
Explain the Spinning Problems The Law of Conservation of Angular momentum states that if there is no net applied torque on a body then angular momentum is conserved. This is si
The natural angular frequency of a S.H.O. of mass 2gm is 0.8rad/sec. It undergoes critically damped motion when taken to a viscous medium. Evaluate the damping force on the oscilla
Bragg's law (Sir W.L. Bragg; 1912) While a beam of x-rays strikes at crystal surface wherein the layers of atoms or ions are separated regularly, the maximum intensity of the
Electrical materials: Materials which allow an electric current to flow easily are known as conductors and those which prevent the flow of an appreciable current are known as i
Define Ideal Gas in One-Dimensional Potential? An ideal gas of particles, each of mass m at temperature ?? is subjected to an external force whose potential energy has the f
Echo: The sound heard after reflection from an obstacle is known as echo.
As a longitudinal wave moves through a medium, the particles of the medium: w) Vibrate in a path parallel to the path of the wave x) Vibrate in a path perpendicular to t
The velocity of a motor boat with respect to Still Water is 7 m/s and the velocity of water in river is 3 m/s. When the boat starts moving upstream, a float was dropped from it.
Cosmic censorship conjecture (R. Penrose, 1979) The conjecture, so far completely undemonstrated in the context of general relativity, that all singularities (along the possib
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