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A particle performing Linear S.H.M. has a maximum velocity 25 cm/sand maximum acceleration 100 cm/s2. Find the period of oscillations.
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What is an ideal gas?
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Does an ideal gas exist in practice?
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State the formula giving the relation between electric field intensity and potential gradient.
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State unit and dimensions of Magnetic susceptibility.
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State unit and dimensions of Magnetic susceptibility.
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Derive expressions for the linear velocity at the lowest position, mid-way position and top-most position for a particle revolving in a vertical circle, if it has to just complete circular motion without string slackening at the top.
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An air-cored solenoid, 40 cm long and of cross-sectional area 5 cm2, is tightly wound with 400 turns of copper wire and carries a steady current of 10 A. (a) Calculate the self-inductance of the solenoid. (b) Find the emf induced if the current in the solenoid decreases to zero in 0.2 s.
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With a neat labelled diagram, explain the working of a photodiode. Calculate the wavelength in angstrom at which the emissive power is maximum for a blackbody heated to 3727 °C.
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State the factors which control the wavelength of light emitte d by an LED.
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In the given circuit, if I = 100 mA and I1 = I4 = 60 mA, the currents I3 and I5 are ______.
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The dimensions of magnetic intensity are ______.
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The dimensions of magnetic intensity are ______.
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The kinetic energy per molecule of a gas at temperature T is ______.
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Explain the use of Wheatstone's metre bridge to determine an unknown resistance.
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Zener breakdown results from breaking of Si-Si covalent bonds in a silicon junction diode due to ______.
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State the factors on which the magnetic coupling coefficient of two coils depends.
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Draw neat labelled diagrams for the first and second overtones of vibration of an air column in a pipe open at both ends.
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Temperature remaining constant, if you double the number of molecules in a box, the pressure will ______.
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