Recently Active Physics Questions

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Why can,t the protoplasm be analysed chemically? ...

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What is the difference between magnetic flux and magnetic field? ...

Please explain- i) How do the electrons get accelearted in a hot Cathode Ray Tube? ii) What is the utility of the "control grid" in the Cathode Ray Tube? ...

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Show that a plumb line deviates from the vertical line slightly at all latitudes except 0° and 90° due to the diurnal motion of the earth. Also show that this effect is maximum at the latitude 45° and hence determine this ...

If wavelength of light changes inside water due to refraction, why does the colour of light not change? Thanx in advance... ...

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A capacitor of capacitance C is charged by a battery of EMF E and internal resistance r. A resistance of 2r is also connected in series with the capacitor. The amount of heat liberated inside the battery by the time capacitor ...

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If the acceleration of an object is zero, are no forces acting on it? Explain. ...

When an electric cell is connected to a circuit, electrons flow away from the negative terminal in the circuit. But within the cell, electrons flow to the negative terminal. Explain. ...

Electric power is transferred over large distances at very high voltages. Explain how the high voltage reduces power losses in the transmission lines. ...

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Can the normal force on an object ever do work? Explain ...

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When the momentum of a body decreases by 10%, its Kinetic Energy (KE) decreases by a)20% b)40% c)36% d)none of these FULL DESCRIPTION REQUIRED. NO SHORT ASNWER ...

Two rods of different materials with coefficients of linear expansion α1 and α2 respectively; Young's moduli Y1 & Y2 respectively; of initial lengths l1 and l2 respectively are joined at one end. the free ends are fixed to ...

A particle is projected from a point to hit an apple as shown in the figure.The particle is directly aimed at the apple.Show that the particle will not hit the apple.Now show that if the string with which the apple is hung is ...

While deriving an expression for resultant capacitance or resistance in a parallel combination, how do we reach to the conclusion that potential difference across each capacitor is same?? ...

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