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State two conditions to obtain sustained interference of light
In Young's double slit experiment, using light of wavelength 400 nm, in terference fringes of width 'X' are obtained. The wavelength of light is enhanced to 600 nm and the separation among the slits is halved. If one wants the observed fringe width on the screen to be the same in the two cases, find the ratio of the distance among the screen and the plane of the interfering sources in the two arrangements.
can u tell me wats d QD which has excitation at in the 980nm range?
The displacement of body in particular second is given by the equation Sn=u+a (2n-1)÷2, u is speed and a is acceleration. Dimensions of Sn are?
write principles,construction & working of a moving coil galvanometer
Illustrate the working and principle of a nuclear reactor with the help of a labeled diagram?
A spacecraft is moving relative to the earth An observer on earth finds that , according to her clock 3601s elapse between 1pm and 2pm on the spacecraft''s clock. what is the space
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