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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.
In a single slit diffraction pattern the distance between the first minimum on left to first minimum on the right is 0.054 cm for a light of wavelength 5890 Å. Determine
Calculate the density of silver which crystallizes in the face-centred cubic structure. The distance between the nearest silver atoms in this structure is 287 pm. (Molar mass of
Frequency The number of vibration done per second by an oscillation body is known its frequency. It is denoted by V. The S.I unit is Hz. V=1/T
Define the physical significance of damping coefficient and how can we caluclate it? What is its unit
With the help of a bb diagram, define the principle of an optical communication system. Give its two advantages over cable communication system
The speed at which a wave propagates down a string is 300 meters per second. If the frequency of this wave is 150 Hertz, what is the wavelength of this wave? Ans: The wavel
The electric field strength, defined as a force per unit charge, has the units Newton per coulomb, N/C. The formula for electric potential difference, ΔV = Ed, though, suggest
Advantage and disadvantage of liquid in Glass thermometer
Proton was discovered by: (1)Chadwick (2)Thomson (3)Goldstein (4)Bohr Ans: (3)Goldstein
Q. What is a frame of reference? A system of co-ordinate axes which describe the position of a particle in two or three dimensional space is called a frame of reference.
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