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Gravitational field can also be shown by lines of force. This is same in several ways as that of electric lines of forces. With one dissimilarity, electric charges are negative and positive which causes force of attraction among dislike charges and repulsion among like charges. While in phase of gravitation the force is always of attraction.
A line of force is drawn in such a way that at every point the direction of field is tangent to line that passes by the point. Thus tangent to any point on a line of force gives the direction of gravitational field at that position. Lines of forces are given in such a way that their density is proportional to the strength of field.
A mass floats with 1/3rd of its volume outside water what will be its relative density? Ans) 8/3 g/cc
The Doppler Effect shows that the spectrum of light from a visible body moving AWAY from the Earth will experience a shift in frequency when viewed from Earth. This definite s
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What is Atomic Models? The concept of atoms was first suggested by the ancient Greeks. The atom was supposed to be the smallest piece of matter. Then J. J. Thompson discovered th
COMPARATOR EQUATION USED TO DETERMINE THE CONCENTRATION OF ELEMENTS
Explain the term poly elastic and give some of example.
Fermat's principle; principle of least time (P. de Fermat): The principle put by P. de Fermat, which states the path taken through a ray of light among any two points into a s
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1 Farad: One farad is described as the capacity of that capacitor which keeps a charge of 1 coulumb, if the potential difference among the plates is one volt. It's equation
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