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An ellipse has OB as semi minor axis , F,F' are its foci, and the angle FBF' is a right angle.Then eccentricity of the ellipse is ....... pls explain ...
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An ellipse has OB as semi-minor axis F,F' are its foci and the angle FBF' is a right angle.Then eccentricity of the ellipse is ........... pls explain ...
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Does n! = the integral from 0 to infinity of (x^n)(e^-x)dx hold true for all real numbers? If so, can we find the derivative of n!? ...
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can anyone please tell me basically what is meant by the term "rest mass of a body " and how it differs from the " mass(general term used in physics) of the body" ?? ...
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A thin convex lens whose focal length in air is known to be 30cm is cut into two parts by a transverse plane parallel to principal axis and 0.5cm above the principal axis. They are placed on the x-axis a shown in the figure.A ...
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A thin convex lens whose focal length in air is known to be 30cm is cut into two parts by a transverse plane parallel to principal axis and 0.5cm above the principal axis. They are placed on the x-axis a shown in the figure.A ...
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The image of a small electric bulb fixed on the wall of a room is to be obtained on opposite wall 3m away by means of large convex lens.What is the maximum possible focal length for this purpose ?? ans:75cm but m not able to ...
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Assuming 200 MeV of energy is released for fission of Uranium atom , find the number of fissions per second required to realease 10 kilowatt power. ...
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Assuming 200 MeV of energy is released for fission of Uranium atom , find the number of fissions per second required to realease 10 kilowatt power. ...
