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Davisson-Germer experiment (C.J. Davisson, L.H. Germer; 1927)
An experiment which conclusively confirmed the wave nature of electrons; diffraction patterns were observed through an electron beam penetrating in a nickel target.
A beam of white light is passed through a diffraction grating and the resulting spectrum is allowed to fall on a screen. Which color of light that undergoes the greatest devi
Two boys A and B are at two diametrically opposite points on a circle. At one instant the two start running on the circle; A anticlockwise with constant speed v and B clockwise wit
Portrayed is a ray from an object which heads toward and then into a lens. Suppose if the ray is a principal ray where does it go from there? Ans: This is the simple p
Universal constant of gravitation; G: The constant of proportionality in Newton's law of universal gravitation & which plays an vital role in A. Einstein's general relativity.
Two slits in young''s double slit experiment are illuminated by two different sodium lamps emitting light of same wavelength . Do you observe any interference pattern on the screen
Explain about the double-crucible method. Low loss fibers are mostly manufactured by using double crucible and vapour phase deposition method. The double-crucible method is
What are the basic block structure of communication system? What do you understand by sky wave propagation?
What are the safety terms to be inspected on wiring? Ans: Safety terms to be checked on wiring are securing of wiring through cleats with trough provision of correct size of
(a) Distinguish among metals, insulators and semiconductors on the basis of their energy bands. (b) Why are photodiodes used preferably in reverse bias condition? A photodiode i
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