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Q. State Huygen's principle.
Huygen's principle:
(a) Every point on a specified wave front may be considered as a source of secondary wavelets which spread out with the speed of light in that medium and
(b) The new wave front is the presumptuous envelope of the secondary wavelets at that instant.
Brackett series (Brackett) This is the series that describes the emission spectrum of hydrogen while the electron is jumping to the fourth orbital. All these lines are in the i
Q. A Plano-convex lens of radius 3 m is placed on a flat glass plate and is illuminated by monochromatic light. The radius of the 8th dark ring is 3.6 mm. Calculate the wavelength
These resistors are usually of carbon composition, carbon film on a ceramic rod and sealed in evacuated glass tube. End connections are made up of copper clad nickel-iron alloy.
Explain about the scanning process and image formation of scanning electron microscope. Scanning process and image formation of scanning electron microscope In a typical sca
What is proton-neutron hypothesis? Explain it?
Electrical Properties of Dielectric Material A loss of energy which eventually produces a rise in temperature of a dielectric placed in an alternating electric field is calle
A boat is traveling along a circular path having a radius of 20 m. Determine the magnitude of the boats acceleration if at a given instant the boats speed is v = 5 m/s and the rate
One mole of an ideal gas at 0°C is compressed adiabatically reversibly to a pressure of 20 times its initial pressure. Evaluate the final temperature.(γ=1.4)
When royce was 10 years old he had a mass of 30kg by the time he was 16 years old his mass increase to 60kg how much larger is the gravitational force between royce and earth at a
In order to obtain p-type germanium it should be doped with a (A) Trivalent impurity. (B) Tetravalent impurity. (C) Pentavalent impurity. (D) Any of the above will d
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