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Poisson spot (S.D. Poisson)
Originally Poisson predicted the existence of such spot, and utilized the prediction to revel how the wave theory of light have to be in error to generate such a counterintuitive result. Subsequent observation of Arago spot gave a decisive confirmation of the wave nature of light.
A diffraction grating with slits separated by 3.40 x 10 -6 m is illuminated by light with a wavelength of 589 nm. The separation between lines in the diffraction pattern is 0
dimension of electric current
State the Working of UJT Make circuit arrangement as demonstrated in fig.(c), where UJT is represented by its equivalent circuit comprising resistances R B1
Q. What would occur if a disk one light second in circumference were to spin at 60 RPM? Answer:- 60 revolutions for each minute is one revolution per second. 1 light se
why electron move in orbit
A 65g ball with a diameter of 3.1cm begins at rest and rolls down an incline. The angular acceleration of the ball is a constant 0.55rad/s2. ( I ball=(2/5)mr2 ) Calculate the net t
Question Why are polarized sunglasses are effective? Answer: If it weren't for the fact that surfaces that produce glare have a tendency to absorb vertically polariz
50 gm of an optically active substance is dissolved in 100 ml of water. A plane polarised light, when passing through 30 cm of the solution, suffers a rotation of 390 in it's plane
A small air bubble is inside a cube of 0.21 m. When viewed from one face it seems to be at a depth of 0.06 m, when viewed from opposite face the bubble seems to be at a depth of 0.
A mass floats with 1/3rd of its volume outside water what will be its relative density? Ans) 8/3 g/cc
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