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Can several fibers gives the same amount of light?
No, some fibers do not give similar amount of light. If a no. of fibers or light guides are coupled similar illuminator, this is physically impossible that each receives similar amount of light and so transmit this. The spot or tack formed through a reflector lamp at the focus point or screen is not fully homogeneous; it is to say that this does not have the same quantity of light in all point of its surface. That problem is sometimes minimized with mixing the fibers at the ordinary end (a process known "randomizing") but this can never be made totally even.
Q. A light of wavelength 58900A falls normally on a thin air film, 6 dark fringes are seen between two points. Calculate the thickness of the film. 2μt = nλ Thickness of th
Cross Product The direction of the cross product of 2 vectors is elaborates. The magnitude shown is correct but not discussed.
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Derivation of venturimeter
IN PHYSICS B OCR THE POTENTIAL DIVIDER AND CALCULATION ON LENS ARE TRICKY. HOW DO I APPROACH AND UNDERSTAND QUESTIONS?
Two steel balls are at a distance S from one another. As the mass of ONE of the balls is doubled, the gravitational force of attraction between them is: a) Quartered b) H
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Q. What do you mean by additive nature of charges? Give an example. Additive nature of charge The entire electric charge of a system is equal to the algebraic sum of electric
how nicol prism is constructed?
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