The gravitational field due to a mass distribution is I= $\\dfrac{C}{x^{2}}$ in x direction. Here, C is constant.
Taking the gravitational potential to be zero at infinity, potential at x is:
Figure shows a rectangular coil of cross-sectional area A placed in a uniform magnetic field B |
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The coefficient of performance of a refrigerator is 5. If the temperature inside freezer is -20°C, |
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In an LCR circuit, the potential difference between the terminals of the inductor is 60 V, |
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Assertion : Microwave have more energy than the radiowaves. |
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If the number of steady revolutions per minute of a conical pendulum is increased from 75 to |
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If both the mass and radius of the earth decreases by 1%, then |
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A Carnot engine, having an efficiency of $\\eta = $\\dfrac{1}{10}$ as heat engine, is used as a refrigerator. If |
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Two thin lenses of focal lengths 20 cm and 25 cm are placed in contact. The effective |
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Light of wavelength $\\lambda$ and photon energy 2 eV falling on a metal surface produces |
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The de-Broglie wavelength associated with proton changes by 0.25% if its momentum is |
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