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Q. Measurement of Wavelength of Monochromatic Light?
Monochromatic Light is allowed to fall on plate G1. The M.I. is adjusted for circular fringes. For this mirror M1 is made exactly perpendicular to mirror M2 with the help of leveling screw and movable mirror M1 is moved in such a way so that G1M2 = G1M1.
Consequently circular fringes are observed when viewed through telescope.
Suppose the separation between real mirror M1 and image of mirror M2, M2' is such that a nth order dark ring is formed at the centre in the field of view. Thus the conditions for dark fringe at centre.
Q. Give any three applications of the superconductors. i) High efficiency ore-separating machines may be built using superconducting magnets which can be used to separate tumou
Kirchhoff's rules (G.R. Kirchhoff): loop rule The total of the potential differences encountered in a round trip about any closed loop in a circuit is zero. point
application of electrostatic
Calculate the current needed in a 240 mm length of conductor of a d.c. motor when the conductor is situated at right-angles to the magnetic field of flux density 1.25T, if a force
An element exists in two solid phases (labelled P1 and P2). The standard molar entropies of P1 and P2 are 21.9 J mol -1 K -1 and 23.3 J mol -1 K -1 respectively. The
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Why nuclear fission preceeds nuclear fusion?
When a metal is illuminated with radiation with a wavelength of 152 nm, photoelectrons are ejected with a velocity of 7.9 x 10 5 m/s. What is the work function, in eV, of th
The physical value which does not depend on any other physical quantity is known as a fundamental physical quantity like length; mass and time are known as fundamental units.
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